| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Spring Rate | Initial Tension (IT) | Indicative Image | 
|---|---|---|---|---|---|---|
| OD (D0)3.96 mm (Equiv. 0.156 in.) | Overall Length (L0)279.4 mm (Equiv. 11 in.) | Wire Diameter (d)0.41 mm (Equiv. 0.016 in.) | Spring Rate0.01 N/mm | Initial Tension (IT)0.0 N |   | |
| Material: Steel Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0396-2794-04-M Extension Springs - 3.96x279.4x0.41 mm Music Wire - Steel Spring 9 Available Now | Further orders can be expected around Mon, Nov 24, 2025 Regular price
          
            $18.05 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Indicative Image | ||
| OD (D0)3.96 mm (Equiv. 0.156 in.) | Overall Length (L0)279.4 mm (Equiv. 11 in.) | Wire Diameter (d)0.41 mm (Equiv. 0.016 in.) |   | |||
| Material: Steel   
                    
                
                    Spring Rate: 0.01 N/mm    
                     
                
                    Initial Tension (IT): 0.0 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0396-2794-04-M Extension Springs - 3.96x279.4x0.41 mm Music Wire - Steel Spring 9 Available Now | Further orders can be expected around Mon, Nov 24, 2025 Regular price
          
            $18.05 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)3.96 mm (Equiv. 0.156 in.) | Overall Length (L0)279.4 mm (Equiv. 11 in.) | Wire Diameter (d)0.61 mm (Equiv. 0.024 in.) | Spring Rate0.08 N/mm | Initial Tension (IT)0.1 N |   | |
| Material: Steel Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0396-2794-06-M Extension Springs - 3.96x279.4x0.61 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Nov 24, 2025 Regular price
          
            $5.95 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)3.96 mm (Equiv. 0.156 in.) | Overall Length (L0)279.4 mm (Equiv. 11 in.) | Wire Diameter (d)0.61 mm (Equiv. 0.024 in.) |   | |||
| Material: Steel   
                    
                
                    Spring Rate: 0.08 N/mm    
                     
                
                    Initial Tension (IT): 0.1 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0396-2794-06-M Extension Springs - 3.96x279.4x0.61 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Nov 24, 2025 Regular price
          
            $5.95 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)29.60 mm | Spring Rate0.14 N/mm | Initial Tension (IT)0.2 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 2.26 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0150-035-M (5 Pcs) Extension Springs - 4x15x0.35 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)29.60 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.14 N/mm    
                     
                
                    Initial Tension (IT): 0.2 N   
                               
               
                    Load at L1: 2.26 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0150-035-M (5 Pcs) Extension Springs - 4x15x0.35 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)29.60 mm | Spring Rate0.14 N/mm | Initial Tension (IT)0.2 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 2.26 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0150-035-S4 (5 Pcs) Extension Springs - 4x15x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $7.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)29.60 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.14 N/mm    
                     
                
                    Initial Tension (IT): 0.2 N   
                               
               
                    Load at L1: 2.26 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0150-035-S4 (5 Pcs) Extension Springs - 4x15x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $7.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)25.00 mm | Spring Rate0.26 N/mm | Initial Tension (IT)0.6 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 3.24 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0150-04-S4 (5 Pcs) Extension Springs - 4x15x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $8.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)25.00 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.26 N/mm    
                     
                
                    Initial Tension (IT): 0.6 N   
                               
               
                    Load at L1: 3.24 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0150-04-S4 (5 Pcs) Extension Springs - 4x15x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $8.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)25.00 mm | Spring Rate0.26 N/mm | Initial Tension (IT)0.6 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 3.24 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0150-04-M (5 Pcs) Extension Springs - 4x15x0.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)25.00 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.26 N/mm    
                     
                
                    Initial Tension (IT): 0.6 N   
                               
               
                    Load at L1: 3.24 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0150-04-M (5 Pcs) Extension Springs - 4x15x0.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)22.50 mm | Spring Rate0.51 N/mm | Initial Tension (IT)1.0 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 4.81 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0150-045-S4 (5 Pcs) Extension Springs - 4x15x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $8.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)22.50 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.51 N/mm    
                     
                
                    Initial Tension (IT): 1.0 N   
                               
               
                    Load at L1: 4.81 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0150-045-S4 (5 Pcs) Extension Springs - 4x15x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $8.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)22.50 mm | Spring Rate0.51 N/mm | Initial Tension (IT)1.0 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 4.81 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0150-045-M (5 Pcs) Extension Springs - 4x15x0.45 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)22.50 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.51 N/mm    
                     
                
                    Initial Tension (IT): 1.0 N   
                               
               
                    Load at L1: 4.81 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0150-045-M (5 Pcs) Extension Springs - 4x15x0.45 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)21.50 mm | Spring Rate0.78 N/mm | Initial Tension (IT)1.2 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 6.37 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0150-05-M (5 Pcs) Extension Springs - 4x15x0.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)21.50 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.78 N/mm    
                     
                
                    Initial Tension (IT): 1.2 N   
                               
               
                    Load at L1: 6.37 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0150-05-M (5 Pcs) Extension Springs - 4x15x0.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)21.50 mm | Spring Rate0.78 N/mm | Initial Tension (IT)1.2 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 6.37 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0150-05-S4 (5 Pcs) Extension Springs - 4x15x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $9.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)21.50 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.78 N/mm    
                     
                
                    Initial Tension (IT): 1.2 N   
                               
               
                    Load at L1: 6.37 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0150-05-S4 (5 Pcs) Extension Springs - 4x15x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $9.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.550 mm (Equiv. 0.022 in.) | Max. Extension (L1)19.50 mm | Spring Rate1.47 N/mm | Initial Tension (IT)1.9 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 8.43 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0150-055-M (5 Pcs) Extension Springs - 4x15x0.55 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.550 mm (Equiv. 0.022 in.) | Max. Extension (L1)19.50 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 1.47 N/mm    
                     
                
                    Initial Tension (IT): 1.9 N   
                               
               
                    Load at L1: 8.43 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0150-055-M (5 Pcs) Extension Springs - 4x15x0.55 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.600 mm (Equiv. 0.024 in.) | Max. Extension (L1)19.00 mm | Spring Rate2.16 N/mm | Initial Tension (IT)2.6 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 11.10 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0150-06-S4 (5 Pcs) Extension Springs - 4x15x0.6 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $9.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.600 mm (Equiv. 0.024 in.) | Max. Extension (L1)19.00 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 2.16 N/mm    
                     
                
                    Initial Tension (IT): 2.6 N   
                               
               
                    Load at L1: 11.10 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0150-06-S4 (5 Pcs) Extension Springs - 4x15x0.6 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $9.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.600 mm (Equiv. 0.024 in.) | Max. Extension (L1)19.00 mm | Spring Rate2.16 N/mm | Initial Tension (IT)2.6 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 11.10 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0150-06-M (5 Pcs) Extension Springs - 4x15x0.6 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)15 mm (Equiv. 0.591 in.) | Wire Diameter (d)0.600 mm (Equiv. 0.024 in.) | Max. Extension (L1)19.00 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 2.16 N/mm    
                     
                
                    Initial Tension (IT): 2.6 N   
                               
               
                    Load at L1: 11.10 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0150-06-M (5 Pcs) Extension Springs - 4x15x0.6 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)44.10 mm | Spring Rate0.08 N/mm | Initial Tension (IT)0.2 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 2.26 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0200-035-M (5 Pcs) Extension Springs - 4x20x0.35 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)44.10 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.08 N/mm    
                     
                
                    Initial Tension (IT): 0.2 N   
                               
               
                    Load at L1: 2.26 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0200-035-M (5 Pcs) Extension Springs - 4x20x0.35 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)44.10 mm | Spring Rate0.08 N/mm | Initial Tension (IT)0.2 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 2.26 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0200-035-S4 (5 Pcs) Extension Springs - 4x20x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring 4 units (20 pcs) Available Now | Further orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $5.23 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)44.10 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.08 N/mm    
                     
                
                    Initial Tension (IT): 0.2 N   
                               
               
                    Load at L1: 2.26 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0200-035-S4 (5 Pcs) Extension Springs - 4x20x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring 4 units (20 pcs) Available Now | Further orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $5.23 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)36.80 mm | Spring Rate0.16 N/mm | Initial Tension (IT)0.6 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 3.24 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0200-04-M (5 Pcs) Extension Springs - 4x20x0.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)36.80 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.16 N/mm    
                     
                
                    Initial Tension (IT): 0.6 N   
                               
               
                    Load at L1: 3.24 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0200-04-M (5 Pcs) Extension Springs - 4x20x0.4 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)36.80 mm | Spring Rate0.16 N/mm | Initial Tension (IT)0.6 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 3.24 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0200-04-S4 (5 Pcs) Extension Springs - 4x20x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $8.50 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)36.80 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.16 N/mm    
                     
                
                    Initial Tension (IT): 0.6 N   
                               
               
                    Load at L1: 3.24 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0200-04-S4 (5 Pcs) Extension Springs - 4x20x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $8.50 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)32.20 mm | Spring Rate0.31 N/mm | Initial Tension (IT)1.0 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 4.81 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0200-045-M (5 Pcs) Extension Springs - 4x20x0.45 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)32.20 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.31 N/mm    
                     
                
                    Initial Tension (IT): 1.0 N   
                               
               
                    Load at L1: 4.81 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0200-045-M (5 Pcs) Extension Springs - 4x20x0.45 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)32.20 mm | Spring Rate0.31 N/mm | Initial Tension (IT)1.0 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 4.81 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0200-045-S4 (5 Pcs) Extension Springs - 4x20x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $10.14 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)32.20 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.31 N/mm    
                     
                
                    Initial Tension (IT): 1.0 N   
                               
               
                    Load at L1: 4.81 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0200-045-S4 (5 Pcs) Extension Springs - 4x20x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $10.14 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)30.20 mm | Spring Rate0.49 N/mm | Initial Tension (IT)1.2 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 6.37 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0200-05-M (5 Pcs) Extension Springs - 4x20x0.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)30.20 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.49 N/mm    
                     
                
                    Initial Tension (IT): 1.2 N   
                               
               
                    Load at L1: 6.37 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0200-05-M (5 Pcs) Extension Springs - 4x20x0.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)30.20 mm | Spring Rate0.49 N/mm | Initial Tension (IT)1.2 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 6.37 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0200-05-S4 (5 Pcs) Extension Springs - 4x20x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $9.86 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)30.20 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.49 N/mm    
                     
                
                    Initial Tension (IT): 1.2 N   
                               
               
                    Load at L1: 6.37 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0200-05-S4 (5 Pcs) Extension Springs - 4x20x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $9.86 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.550 mm (Equiv. 0.022 in.) | Max. Extension (L1)27.10 mm | Spring Rate0.93 N/mm | Initial Tension (IT)1.9 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 8.43 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0200-055-M (5 Pcs) Extension Springs - 4x20x0.55 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.550 mm (Equiv. 0.022 in.) | Max. Extension (L1)27.10 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.93 N/mm    
                     
                
                    Initial Tension (IT): 1.9 N   
                               
               
                    Load at L1: 8.43 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0200-055-M (5 Pcs) Extension Springs - 4x20x0.55 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.600 mm (Equiv. 0.024 in.) | Max. Extension (L1)26.40 mm | Spring Rate1.37 N/mm | Initial Tension (IT)2.6 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 11.10 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0200-06-M (5 Pcs) Extension Springs - 4x20x0.6 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.600 mm (Equiv. 0.024 in.) | Max. Extension (L1)26.40 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 1.37 N/mm    
                     
                
                    Initial Tension (IT): 2.6 N   
                               
               
                    Load at L1: 11.10 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0200-06-M (5 Pcs) Extension Springs - 4x20x0.6 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $6.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.600 mm (Equiv. 0.024 in.) | Max. Extension (L1)26.40 mm | Spring Rate1.37 N/mm | Initial Tension (IT)2.6 N |   | 
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                     
                
                    Load at L1: 11.10 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0200-06-S4 (5 Pcs) Extension Springs - 4x20x0.6 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $10.14 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)20 mm (Equiv. 0.787 in.) | Wire Diameter (d)0.600 mm (Equiv. 0.024 in.) | Max. Extension (L1)26.40 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 1.37 N/mm    
                     
                
                    Initial Tension (IT): 2.6 N   
                               
               
                    Load at L1: 11.10 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0200-06-S4 (5 Pcs) Extension Springs - 4x20x0.6 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $10.14 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
 
               
        
      






















