| 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)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 | ||||||
| 
                    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) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Indicative Image | ||
| 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 | ||||||
| 
                    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)0.400 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 | ||||||
| 
                    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 | ||||||
| 
                    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: Steel Load at L1: 4.81 N | ||||||
| 
                    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 | ||||||
| 
                    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 | ||||||
| 
                    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 | ||||||
| 
                    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)0.550 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 | ||||||
| 
                    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 | ||||||
| 
                    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: Steel Load at L1: 11.10 N | ||||||
| 
                    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 | ||||||
| 
                    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 | ||||||
| 
                    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 | ||||||
| 
                    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)0.400 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 | ||||||
| 
                    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 | ||||||
| 
                    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)0.450 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 | ||||||
| 
                    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 | ||||||
| 
                    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)0.500 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 | ||||||
| 
                    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 | ||||||
| 
                    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)0.550 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 | ||||||
| 
                    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 | ||||||
| 
                    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 | ||||||
| 
                    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 | ||||||
| 
                    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)25 mm (Equiv. 0.984 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)47.50 mm | Spring Rate0.12 N/mm | Initial Tension (IT)0.6 N |   | 
| Material: Steel Load at L1: 3.24 N | ||||||
| 
                    Part Number:  ES-0400-0250-04-M (5 Pcs) Extension Springs - 4x25x0.4 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)25 mm (Equiv. 0.984 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)47.50 mm |   | ||
| Material: Steel Spring Rate: 0.12 N/mm Initial Tension (IT): 0.6 N Load at L1: 3.24 N | ||||||
| 
                    Part Number:  ES-0400-0250-04-M (5 Pcs) Extension Springs - 4x25x0.4 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)25 mm (Equiv. 0.984 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)41.90 mm | Spring Rate0.23 N/mm | Initial Tension (IT)1.0 N |   | 
| Material: Steel Load at L1: 4.81 N | ||||||
| 
                    Part Number:  ES-0400-0250-045-M (100 Pcs) Extension Springs - 4x25x0.45 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $131.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)25 mm (Equiv. 0.984 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)41.90 mm |   | ||
| Material: Steel Spring Rate: 0.23 N/mm Initial Tension (IT): 1.0 N Load at L1: 4.81 N | ||||||
| 
                    Part Number:  ES-0400-0250-045-M (100 Pcs) Extension Springs - 4x25x0.45 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $131.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| 
 | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)25 mm (Equiv. 0.984 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)38.90 mm | Spring Rate0.39 N/mm | Initial Tension (IT)1.2 N |   | 
| Material: Steel Load at L1: 6.37 N | ||||||
| 
                    Part Number:  ES-0400-0250-05-M (5 Pcs) Extension Springs - 4x25x0.5 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)25 mm (Equiv. 0.984 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)38.90 mm |   | ||
| Material: Steel Spring Rate: 0.39 N/mm Initial Tension (IT): 1.2 N Load at L1: 6.37 N | ||||||
| 
                    Part Number:  ES-0400-0250-05-M (5 Pcs) Extension Springs - 4x25x0.5 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)25 mm (Equiv. 0.984 in.) | Wire Diameter (d)0.550 mm (Equiv. 0.022 in.) | Max. Extension (L1)35.00 mm | Spring Rate0.66 N/mm | Initial Tension (IT)1.9 N |   | 
| Material: Steel Load at L1: 8.43 N | ||||||
| 
                    Part Number:  ES-0400-0250-055-M (5 Pcs) Extension Springs - 4x25x0.55 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)25 mm (Equiv. 0.984 in.) | Wire Diameter (d)0.550 mm (Equiv. 0.022 in.) | Max. Extension (L1)35.00 mm |   | ||
| Material: Steel Spring Rate: 0.66 N/mm Initial Tension (IT): 1.9 N Load at L1: 8.43 N | ||||||
| 
                    Part Number:  ES-0400-0250-055-M (5 Pcs) Extension Springs - 4x25x0.55 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)30 mm (Equiv. 1.181 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)72.70 mm | Spring Rate0.05 N/mm | Initial Tension (IT)0.2 N |   | 
| Material: Steel Load at L1: 2.26 N | ||||||
| 
                    Part Number:  ES-0400-0300-035-M (5 Pcs) Extension Springs - 4x30x0.35 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)30 mm (Equiv. 1.181 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)72.70 mm |   | ||
| Material: Steel Spring Rate: 0.05 N/mm Initial Tension (IT): 0.2 N Load at L1: 2.26 N | ||||||
| 
                    Part Number:  ES-0400-0300-035-M (5 Pcs) Extension Springs - 4x30x0.35 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)30 mm (Equiv. 1.181 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)58.40 mm | Spring Rate0.09 N/mm | Initial Tension (IT)0.6 N |   | 
| Material: Steel Load at L1: 3.24 N | ||||||
| 
                    Part Number:  ES-0400-0300-04-M (5 Pcs) Extension Springs - 4x30x0.4 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)30 mm (Equiv. 1.181 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)58.40 mm |   | ||
| Material: Steel Spring Rate: 0.09 N/mm Initial Tension (IT): 0.6 N Load at L1: 3.24 N | ||||||
| 
                    Part Number:  ES-0400-0300-04-M (5 Pcs) Extension Springs - 4x30x0.4 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)30 mm (Equiv. 1.181 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)51.70 mm | Spring Rate0.18 N/mm | Initial Tension (IT)1.0 N |   | 
| Material: Steel Load at L1: 4.81 N | ||||||
| 
                    Part Number:  ES-0400-0300-045-M (5 Pcs) Extension Springs - 4x30x0.45 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)30 mm (Equiv. 1.181 in.) | Wire Diameter (d)0.450 mm (Equiv. 0.018 in.) | Max. Extension (L1)51.70 mm |   | ||
| Material: Steel Spring Rate: 0.18 N/mm Initial Tension (IT): 1.0 N Load at L1: 4.81 N | ||||||
| 
                    Part Number:  ES-0400-0300-045-M (5 Pcs) Extension Springs - 4x30x0.45 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)30 mm (Equiv. 1.181 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)47.50 mm | Spring Rate0.29 N/mm | Initial Tension (IT)1.2 N |   | 
| Material: Steel Load at L1: 6.37 N | ||||||
| 
                    Part Number:  ES-0400-0300-05-M (5 Pcs) Extension Springs - 4x30x0.5 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)30 mm (Equiv. 1.181 in.) | Wire Diameter (d)0.500 mm (Equiv. 0.02 in.) | Max. Extension (L1)47.50 mm |   | ||
| Material: Steel Spring Rate: 0.29 N/mm Initial Tension (IT): 1.2 N Load at L1: 6.37 N | ||||||
| 
                    Part Number:  ES-0400-0300-05-M (5 Pcs) Extension Springs - 4x30x0.5 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)35 mm (Equiv. 1.378 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)68.70 mm | Spring Rate0.08 N/mm | Initial Tension (IT)0.6 N |   | 
| Material: Steel Load at L1: 3.24 N | ||||||
| 
                    Part Number:  ES-0400-0350-04-M (5 Pcs) Extension Springs - 4x35x0.4 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)35 mm (Equiv. 1.378 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)68.70 mm |   | ||
| Material: Steel Spring Rate: 0.08 N/mm Initial Tension (IT): 0.6 N Load at L1: 3.24 N | ||||||
| 
                    Part Number:  ES-0400-0350-04-M (5 Pcs) Extension Springs - 4x35x0.4 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)35 mm (Equiv. 1.378 in.) | Wire Diameter (d)0.550 mm (Equiv. 0.022 in.) | Max. Extension (L1)50.20 mm | Spring Rate0.43 N/mm | Initial Tension (IT)1.9 N |   | 
| Material: Steel Load at L1: 8.43 N | ||||||
| 
                    Part Number:  ES-0400-0350-055-M (100 Pcs) Extension Springs - 4x35x0.55 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $131.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties | ||||||
| OD (D0)4.00 mm (Equiv. 0.157 in.) | Overall Length (L0)35 mm (Equiv. 1.378 in.) | Wire Diameter (d)0.550 mm (Equiv. 0.022 in.) | Max. Extension (L1)50.20 mm |   | ||
| Material: Steel Spring Rate: 0.43 N/mm Initial Tension (IT): 1.9 N Load at L1: 8.43 N | ||||||
| 
                    Part Number:  ES-0400-0350-055-M (100 Pcs) Extension Springs - 4x35x0.55 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 08, 2025 Regular price
          
            $131.59 AUD
           
          Regular price
          
            Unit price
        
          
          /
           per 100 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)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)100.30 mm | Spring Rate0.03 N/mm | Initial Tension (IT)0.2 N |   | 
| Material: Steel Load at L1: 2.26 N | ||||||
| 
                    Part Number:  ES-0400-0400-035-M (5 Pcs) Extension Springs - 4x40x0.35 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)40 mm (Equiv. 1.575 in.) | Wire Diameter (d)0.350 mm (Equiv. 0.014 in.) | Max. Extension (L1)100.30 mm |   | ||
| Material: Steel Spring Rate: 0.03 N/mm Initial Tension (IT): 0.2 N Load at L1: 2.26 N | ||||||
| 
                    Part Number:  ES-0400-0400-035-M (5 Pcs) Extension Springs - 4x40x0.35 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)40 mm (Equiv. 1.575 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)78.50 mm | Spring Rate0.07 N/mm | Initial Tension (IT)0.6 N |   | 
| Material: Steel Load at L1: 3.24 N | ||||||
| 
                    Part Number:  ES-0400-0400-04-M (5 Pcs) Extension Springs - 4x40x0.4 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)40 mm (Equiv. 1.575 in.) | Wire Diameter (d)0.400 mm (Equiv. 0.016 in.) | Max. Extension (L1)78.50 mm |   | ||
| Material: Steel Spring Rate: 0.07 N/mm Initial Tension (IT): 0.6 N Load at L1: 3.24 N | ||||||
| 
                    Part Number:  ES-0400-0400-04-M (5 Pcs) Extension Springs - 4x40x0.4 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 | ||||||
| 
 | ||||||
 
               
        
      






















