Taylor Made Dock Pro Corner Mount 12" Dock WheelSmooth rolling wheels offer substantial dock cushioning and feature molded-in valves to adjust the level of firmness. Heavy duty hot-dipped galvanized hardware mounts securely to the dock. Uses a large 2'' diameter axle housing for maximum strength.Features: Inflatable dock wheel; Corner mount - includes corner bracket; For boats 20' to 30'; 3 Year warranty; Note: Brackets and wheels are not interchangeable. Replacement wheels include cap and washer.