Designed for Ronstan Battlestick range but will fit most older tiller extensions made by Riley or RWO. Smooth, uniform rotation in all directions and a quick, firm response 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. A curved surface adapter. Made from UV stabilised polyurethane tendon and UV stabilised Nylon base and cover. Weight: 35g -Check out how to replace video.