M158756: Extension Spring

The extension spring is designed to absorb and store energy, providing resistance to a pulling force in various applications. Features a 3.50 mm wire diameter and 26 mm outer diameter, with a free length of 172 mm, ideal for tension applications. Includes 03/03 type ends and an initial tension of 105 mm, offering a spring rate of 4.75 mm for optimal performance. Made from high quality steel. Finished with a durable zinc black coating for enhanced corrosion resistance.