Hobie RAM U-Bolt Rail Base, 1.5 inch Ball

Mount a RAM Ball on a kayak tracks (with trax hardware not included) or onto a boat rail (such as the Hobie Pro Angler). The base has an lower U that clamps onto a rail tightly with the U-bolt. Fits both square and round rails. Includes a 1 1/2 inch ball and a U-bolt that fits 1 to 1.25 inch rails.