| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Spring Rate | Initial Tension (IT) | Indicative Image | 
|---|---|---|---|---|---|---|
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)40 mm (Equiv. 1.575 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)64.00 mm | Spring Rate0.22 N/mm | Initial Tension (IT)1.2 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 6.37 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0400-05-M (5 Pcs) Extension Springs - 4x40x0.5 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) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Indicative Image | ||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)40 mm (Equiv. 1.575 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)64.00 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.22 N/mm    
                     
                
                    Initial Tension (IT): 1.2 N   
                               
               
                    Load at L1: 6.37 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0400-0400-05-M (5 Pcs) Extension Springs - 4x40x0.5 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)40 mm (Equiv. 1.575 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)64.00 mm | Spring Rate0.22 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-0400-0400-05-S4 (5 Pcs) Extension Springs - 4x40x0.5 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
          
            $12.14 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)40 mm (Equiv. 1.575 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)64.00 mm |   | ||
| Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
                    
                
                    Spring Rate: 0.22 N/mm    
                     
                
                    Initial Tension (IT): 1.2 N   
                               
               
                    Load at L1: 6.37 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0400-0400-05-S4 (5 Pcs) Extension Springs - 4x40x0.5 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
          
            $12.14 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.50 mm (Equiv. 0.177 in.) | Overall Length (L0)12.1 mm (Equiv. 0.476 in.) | Wire Diameter (d)0.63 mm (Equiv. 0.025 in.) | Max. Extension (L1)17.75 mm | Spring Rate2.31 N/mm | Initial Tension (IT)2.2 N |   | 
| Material: Stainless Steel 302/304 (Similar to A2, 18-8)   
                     
                
                    Load at L1: 15.25 N Category: Springs - Extension - Stainless Steel Deleted Item. Available while stocks last. | ||||||
| 
                    Part Number:  ES-0450-0121-06-S2 (4 Pcs) Extension Springs - 4.5x12.1x0.63 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring 1 pack (4 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
          
            $26.85 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 4 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.50 mm (Equiv. 0.177 in.) | Overall Length (L0)12.1 mm (Equiv. 0.476 in.) | Wire Diameter (d)0.63 mm (Equiv. 0.025 in.) | Max. Extension (L1)17.75 mm |   | ||
| Material: Stainless Steel 302/304 (Similar to A2, 18-8)   
                    
                
                    Spring Rate: 2.31 N/mm    
                     
                
                    Initial Tension (IT): 2.2 N   
                               
               
                    Load at L1: 15.25 N Category: Springs - Extension - Stainless Steel Deleted Item. Available while stocks last. | ||||||
| 
                    Part Number:  ES-0450-0121-06-S2 (4 Pcs) Extension Springs - 4.5x12.1x0.63 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring 1 pack (4 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
          
            $26.85 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 4 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)12.7 mm (Equiv. 0.5 in.) | Wire Diameter (d)0.56 mm (Equiv. 0.022 in.) | Max. Extension (L1)18.540 mm | Spring Rate1.839 N/mm | Initial Tension (IT)0.8 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 9.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0127-06-M Extension Springs - 4.57x12.7x0.56 mm Music Wire - Steel Spring 1 Available Now | Further orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $4.05 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)12.7 mm (Equiv. 0.5 in.) | Wire Diameter (d)0.56 mm (Equiv. 0.022 in.) | Max. Extension (L1)18.540 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 1.839 N/mm    
                     
                
                    Initial Tension (IT): 0.8 N   
                               
               
                    Load at L1: 9.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0127-06-M Extension Springs - 4.57x12.7x0.56 mm Music Wire - Steel Spring 1 Available Now | Further orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $4.05 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)12.7 mm (Equiv. 0.5 in.) | Wire Diameter (d)0.79 mm (Equiv. 0.031 in.) | Max. Extension (L1)15.490 mm | Spring Rate10.400 N/mm | Initial Tension (IT)2.7 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 30.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0127-08-M Extension Springs - 4.57x12.7x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)12.7 mm (Equiv. 0.5 in.) | Wire Diameter (d)0.79 mm (Equiv. 0.031 in.) | Max. Extension (L1)15.490 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 10.400 N/mm    
                     
                
                    Initial Tension (IT): 2.7 N   
                               
               
                    Load at L1: 30.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0127-08-M Extension Springs - 4.57x12.7x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)15.8 mm (Equiv. 0.622 in.) | Wire Diameter (d)0.79 mm (Equiv. 0.031 in.) | Max. Extension (L1)20.066 mm | Spring Rate5.52 N/mm | Initial Tension (IT)4.0 N |   | 
| Material: Stainless Steel 302/304 (Similar to A2, 18-8)   
                     
                
                    Load at L1: 5.66 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0457-0158-08-S2 Extension Springs - 4.57x15.8x0.79 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring 2 Available Now | Further orders can be expected around Wed, Dec 10, 2025 Regular price
          
            $7.14 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)15.8 mm (Equiv. 0.622 in.) | Wire Diameter (d)0.79 mm (Equiv. 0.031 in.) | Max. Extension (L1)20.066 mm |   | ||
| Material: Stainless Steel 302/304 (Similar to A2, 18-8)   
                    
                
                    Spring Rate: 5.52 N/mm    
                     
                
                    Initial Tension (IT): 4.0 N   
                               
               
                    Load at L1: 5.66 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0457-0158-08-S2 Extension Springs - 4.57x15.8x0.79 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring 2 Available Now | Further orders can be expected around Wed, Dec 10, 2025 Regular price
          
            $7.14 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)19.1 mm (Equiv. 0.752 in.) | Wire Diameter (d)0.51 mm (Equiv. 0.02 in.) | Max. Extension (L1)37.080 mm | Spring Rate0.473 N/mm | Initial Tension (IT)0.8 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 9.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0191-05-M Extension Springs - 4.57x19.1x0.51 mm Music Wire - Steel Spring 1 Available Now | Further orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $4.05 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)19.1 mm (Equiv. 0.752 in.) | Wire Diameter (d)0.51 mm (Equiv. 0.02 in.) | Max. Extension (L1)37.080 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.473 N/mm    
                     
                
                    Initial Tension (IT): 0.8 N   
                               
               
                    Load at L1: 9.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0191-05-M Extension Springs - 4.57x19.1x0.51 mm Music Wire - Steel Spring 1 Available Now | Further orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $4.05 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)19.1 mm (Equiv. 0.752 in.) | Wire Diameter (d)0.56 mm (Equiv. 0.022 in.) | Max. Extension (L1)33.270 mm | Spring Rate0.771 N/mm | Initial Tension (IT)0.9 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 11.570 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0191-06-M Extension Springs - 4.57x19.1x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)19.1 mm (Equiv. 0.752 in.) | Wire Diameter (d)0.56 mm (Equiv. 0.022 in.) | Max. Extension (L1)33.270 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.771 N/mm    
                     
                
                    Initial Tension (IT): 0.9 N   
                               
               
                    Load at L1: 11.570 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0191-06-M Extension Springs - 4.57x19.1x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)19.1 mm (Equiv. 0.752 in.) | Wire Diameter (d)0.71 mm (Equiv. 0.028 in.) | Max. Extension (L1)26.160 mm | Spring Rate3.310 N/mm | Initial Tension (IT)2.3 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 25.890 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0191-07-M Extension Springs - 4.57x19.1x0.71 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)19.1 mm (Equiv. 0.752 in.) | Wire Diameter (d)0.71 mm (Equiv. 0.028 in.) | Max. Extension (L1)26.160 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 3.310 N/mm    
                     
                
                    Initial Tension (IT): 2.3 N   
                               
               
                    Load at L1: 25.890 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0191-07-M Extension Springs - 4.57x19.1x0.71 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)19.1 mm (Equiv. 0.752 in.) | Wire Diameter (d)0.79 mm (Equiv. 0.031 in.) | Max. Extension (L1)24.890 mm | Spring Rate4.750 N/mm | Initial Tension (IT)2.7 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 30.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0191-08-M Extension Springs - 4.57x19.1x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $11.68 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)19.1 mm (Equiv. 0.752 in.) | Wire Diameter (d)0.79 mm (Equiv. 0.031 in.) | Max. Extension (L1)24.890 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 4.750 N/mm    
                     
                
                    Initial Tension (IT): 2.7 N   
                               
               
                    Load at L1: 30.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0191-08-M Extension Springs - 4.57x19.1x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $11.68 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)19.1 mm (Equiv. 0.752 in.) | Wire Diameter (d)0.79 mm (Equiv. 0.031 in.) | Max. Extension (L1)24.892 mm | Spring Rate3.96 N/mm | Initial Tension (IT)2.9 N |   | 
| Material: Stainless Steel 302/304 (Similar to A2, 18-8)   
                     
                
                    Load at L1: 5.66 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0457-0191-08-S2 Extension Springs - 4.57x19.1x0.79 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring Out of Stock | Backorder Now | Orders can be expected around Wed, Dec 10, 2025 Regular price
          
            $9.05 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)19.1 mm (Equiv. 0.752 in.) | Wire Diameter (d)0.79 mm (Equiv. 0.031 in.) | Max. Extension (L1)24.892 mm |   | ||
| Material: Stainless Steel 302/304 (Similar to A2, 18-8)   
                    
                
                    Spring Rate: 3.96 N/mm    
                     
                
                    Initial Tension (IT): 2.9 N   
                               
               
                    Load at L1: 5.66 N Category: Springs - Extension - Stainless Steel | ||||||
| 
                    Part Number:  ES-0457-0191-08-S2 Extension Springs - 4.57x19.1x0.79 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring Out of Stock | Backorder Now | Orders can be expected around Wed, Dec 10, 2025 Regular price
          
            $9.05 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)19.1 mm (Equiv. 0.752 in.) | Wire Diameter (d)0.89 mm (Equiv. 0.035 in.) | Max. Extension (L1)23.620 mm | Spring Rate7.830 N/mm | Initial Tension (IT)3.6 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 39.900 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0191-09-M Extension Springs - 4.57x19.1x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.86 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)19.1 mm (Equiv. 0.752 in.) | Wire Diameter (d)0.89 mm (Equiv. 0.035 in.) | Max. Extension (L1)23.620 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 7.830 N/mm    
                     
                
                    Initial Tension (IT): 3.6 N   
                               
               
                    Load at L1: 39.900 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0191-09-M Extension Springs - 4.57x19.1x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.86 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)25.4 mm (Equiv. 1 in.) | Wire Diameter (d)0.51 mm (Equiv. 0.02 in.) | Max. Extension (L1)54.100 mm | Spring Rate0.298 N/mm | Initial Tension (IT)0.8 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 9.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0254-05-M Extension Springs - 4.57x25.4x0.51 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.23 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)25.4 mm (Equiv. 1 in.) | Wire Diameter (d)0.51 mm (Equiv. 0.02 in.) | Max. Extension (L1)54.100 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.298 N/mm    
                     
                
                    Initial Tension (IT): 0.8 N   
                               
               
                    Load at L1: 9.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0254-05-M Extension Springs - 4.57x25.4x0.51 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.23 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)25.4 mm (Equiv. 1 in.) | Wire Diameter (d)0.56 mm (Equiv. 0.022 in.) | Max. Extension (L1)47.400 mm | Spring Rate0.490 N/mm | Initial Tension (IT)0.9 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 11.570 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0254-06-M Extension Springs - 4.57x25.4x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)25.4 mm (Equiv. 1 in.) | Wire Diameter (d)0.56 mm (Equiv. 0.022 in.) | Max. Extension (L1)47.400 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.490 N/mm    
                     
                
                    Initial Tension (IT): 0.9 N   
                               
               
                    Load at L1: 11.570 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0254-06-M Extension Springs - 4.57x25.4x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)25.4 mm (Equiv. 1 in.) | Wire Diameter (d)0.71 mm (Equiv. 0.028 in.) | Max. Extension (L1)63.320 mm | Spring Rate2.140 N/mm | Initial Tension (IT)2.3 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 25.890 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0254-07-M Extension Springs - 4.57x25.4x0.71 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)25.4 mm (Equiv. 1 in.) | Wire Diameter (d)0.71 mm (Equiv. 0.028 in.) | Max. Extension (L1)63.320 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 2.140 N/mm    
                     
                
                    Initial Tension (IT): 2.3 N   
                               
               
                    Load at L1: 25.890 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0254-07-M Extension Springs - 4.57x25.4x0.71 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.77 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)25.4 mm (Equiv. 1 in.) | Wire Diameter (d)0.79 mm (Equiv. 0.031 in.) | Max. Extension (L1)34.290 mm | Spring Rate3.120 N/mm | Initial Tension (IT)2.7 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 30.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0254-08-M Extension Springs - 4.57x25.4x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.95 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)25.4 mm (Equiv. 1 in.) | Wire Diameter (d)0.79 mm (Equiv. 0.031 in.) | Max. Extension (L1)34.290 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 3.120 N/mm    
                     
                
                    Initial Tension (IT): 2.7 N   
                               
               
                    Load at L1: 30.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0254-08-M Extension Springs - 4.57x25.4x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.95 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)25.4 mm (Equiv. 1 in.) | Wire Diameter (d)0.89 mm (Equiv. 0.035 in.) | Max. Extension (L1)32.510 mm | Spring Rate5.110 N/mm | Initial Tension (IT)3.6 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 39.900 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0254-09-M Extension Springs - 4.57x25.4x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.95 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)25.4 mm (Equiv. 1 in.) | Wire Diameter (d)0.89 mm (Equiv. 0.035 in.) | Max. Extension (L1)32.510 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 5.110 N/mm    
                     
                
                    Initial Tension (IT): 3.6 N   
                               
               
                    Load at L1: 39.900 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0254-09-M Extension Springs - 4.57x25.4x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.95 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)31.8 mm (Equiv. 1.252 in.) | Wire Diameter (d)0.51 mm (Equiv. 0.02 in.) | Max. Extension (L1)71.120 mm | Spring Rate0.210 N/mm | Initial Tension (IT)0.8 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 9.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0318-05-M Extension Springs - 4.57x31.8x0.51 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)31.8 mm (Equiv. 1.252 in.) | Wire Diameter (d)0.51 mm (Equiv. 0.02 in.) | Max. Extension (L1)71.120 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.210 N/mm    
                     
                
                    Initial Tension (IT): 0.8 N   
                               
               
                    Load at L1: 9.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0318-05-M Extension Springs - 4.57x31.8x0.51 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)31.8 mm (Equiv. 1.252 in.) | Wire Diameter (d)0.56 mm (Equiv. 0.022 in.) | Max. Extension (L1)61.720 mm | Spring Rate0.350 N/mm | Initial Tension (IT)0.9 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 11.570 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0318-06-M Extension Springs - 4.57x31.8x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.41 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)31.8 mm (Equiv. 1.252 in.) | Wire Diameter (d)0.56 mm (Equiv. 0.022 in.) | Max. Extension (L1)61.720 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.350 N/mm    
                     
                
                    Initial Tension (IT): 0.9 N   
                               
               
                    Load at L1: 11.570 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0318-06-M Extension Springs - 4.57x31.8x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.41 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)31.8 mm (Equiv. 1.252 in.) | Wire Diameter (d)0.71 mm (Equiv. 0.028 in.) | Max. Extension (L1)46.740 mm | Spring Rate1.576 N/mm | Initial Tension (IT)2.3 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 25.890 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0318-07-M Extension Springs - 4.57x31.8x0.71 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.86 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)31.8 mm (Equiv. 1.252 in.) | Wire Diameter (d)0.71 mm (Equiv. 0.028 in.) | Max. Extension (L1)46.740 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 1.576 N/mm    
                     
                
                    Initial Tension (IT): 2.3 N   
                               
               
                    Load at L1: 25.890 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0318-07-M Extension Springs - 4.57x31.8x0.71 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.86 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)31.8 mm (Equiv. 1.252 in.) | Wire Diameter (d)0.79 mm (Equiv. 0.031 in.) | Max. Extension (L1)43.690 mm | Spring Rate2.290 N/mm | Initial Tension (IT)2.7 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 30.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0318-08-M Extension Springs - 4.57x31.8x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $6.05 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)31.8 mm (Equiv. 1.252 in.) | Wire Diameter (d)0.79 mm (Equiv. 0.031 in.) | Max. Extension (L1)43.690 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 2.290 N/mm    
                     
                
                    Initial Tension (IT): 2.7 N   
                               
               
                    Load at L1: 30.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0318-08-M Extension Springs - 4.57x31.8x0.79 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $6.05 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)31.8 mm (Equiv. 1.252 in.) | Wire Diameter (d)0.89 mm (Equiv. 0.035 in.) | Max. Extension (L1)41.400 mm | Spring Rate3.780 N/mm | Initial Tension (IT)3.6 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 39.900 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0318-09-M Extension Springs - 4.57x31.8x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $6.05 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)31.8 mm (Equiv. 1.252 in.) | Wire Diameter (d)0.89 mm (Equiv. 0.035 in.) | Max. Extension (L1)41.400 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 3.780 N/mm    
                     
                
                    Initial Tension (IT): 3.6 N   
                               
               
                    Load at L1: 39.900 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0318-09-M Extension Springs - 4.57x31.8x0.89 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $6.05 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)38.1 mm (Equiv. 1.5 in.) | Wire Diameter (d)0.51 mm (Equiv. 0.02 in.) | Max. Extension (L1)88.140 mm | Spring Rate0.175 N/mm | Initial Tension (IT)0.8 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 9.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0381-05-M Extension Springs - 4.57x38.1x0.51 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)38.1 mm (Equiv. 1.5 in.) | Wire Diameter (d)0.51 mm (Equiv. 0.02 in.) | Max. Extension (L1)88.140 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.175 N/mm    
                     
                
                    Initial Tension (IT): 0.8 N   
                               
               
                    Load at L1: 9.250 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0381-05-M Extension Springs - 4.57x38.1x0.51 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.32 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)38.1 mm (Equiv. 1.5 in.) | Wire Diameter (d)0.56 mm (Equiv. 0.022 in.) | Max. Extension (L1)75.950 mm | Spring Rate0.280 N/mm | Initial Tension (IT)0.9 N |   | 
| Material: Steel   
                     
                
                    Load at L1: 11.570 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0381-06-M Extension Springs - 4.57x38.1x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.57 mm (Equiv. 0.18 in.) | Overall Length (L0)38.1 mm (Equiv. 1.5 in.) | Wire Diameter (d)0.56 mm (Equiv. 0.022 in.) | Max. Extension (L1)75.950 mm |   | ||
| Material: Steel   
                    
                
                    Spring Rate: 0.280 N/mm    
                     
                
                    Initial Tension (IT): 0.9 N   
                               
               
                    Load at L1: 11.570 N Category: Springs - Extension - Music Wire | ||||||
| 
                    Part Number:  ES-0457-0381-06-M Extension Springs - 4.57x38.1x0.56 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
          
            $5.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per Each Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
 
               
        
      






















