The RAP-394-SSFU consists of the TOUGH-TUBE™ fishing rod holder, 3" long ratchet spline post arm and square flush mounting base. The ratcheting feature allows for the tube to tilt forward and back 180 degrees for optimum viewing angles. The flush mounting base contains 4 pre-drilled holes and a female socket for spline post arms. Ideally suited for anything from Kayaks to Tournament boats, this compact and simply design is ready for your next day on the water.