Description:Motor to worm shaft coupling for use with the access ladder hinge and motor group.Attributes:• Steel coupling• Internal Spline Number of Teeth: 6• Outside Diameter: 38.1 mm (1.500 in)• Inside Diameter: 21.575 mm (0.849 in)• Length: 32 mm (1.259 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.