The Case IH 21712 is a genuine OEM compression spring designed for a wide range of Case IH agricultural and industrial equipment. This durable spring features an outer diameter of 20.62 mm, a wire diameter of 3.05 mm, and a free length of 63.5 mm, with 12 coils. It is a critical component for maintaining proper tension and function in balers, combines, cotton pickers, headers, mowers, planters, tillage equipment, and tractors. Weighing approximately 0.04 kg, this spring ensures optimal operation and longevity for your machinery.