Universal JointSmooth, uniform rotation in all directions and a quick, firm reponse to steering movements. The RF3133 universal joint with snap-on cover is designed to allow quick fitting and removal of the tiller extension from the fixed base. Materials: U.V Stabilized polyurethane tendon U.V. Stabilized base nylon & cover Specifications: Type: Tiller Box Dimensions: 1"H x 2"W x 3"L WT: 0.1 lbs UPC: 9316800122868