Description:Tough Cat winches are built to lift and pull in the high demand environments where Cat equipment can be relied on to get the work done. Cat winches deliver the reliable, high-performance operation and long equipment life you expect.Attributes:• Material: Steel• Spring Type: Compression• Outside Diameter: 20 mm (0.787 in)• Length: 30 mm (1.181 in)• Performance based• Springs meet or exceed current standards and material gradeApplication:Spring for use in winch drum shaft group. Consult your owner's manual or contact your local Cat Dealer for more information.