John Deere M158756 Extension Spring is engineered to absorb and store energy efficiently, providing reliable resistance to pulling forces in a variety of applications. This extension spring features a sturdy 3.50 mm wire diameter and a 26 mm outer diameter, with a length of 172 mm, making it i for tension-related tasks. It includes 03/03 type ends and an initial tension of 105 mm, delivering a spring rate of 4.75 mm for optimal performance. Crafted from high-quality steel and finished with a durable zinc black coating, this spring enhanced corrosion resistance to ensure long-lasting durability. Model Number: M158756