GenY 033 2" Anti-rattle NO-Wobble Hitch Slop Reducer,Bike/Cargo Carrier Tightener Trailer Hitch Tightner DURABLE BY DESIGN - No Slop Hitch Tightener. HIGH STABILITY - Tighten hitch to reduces rattle and eliminates hitch movement. COMPATIBLE - Fits any standard 2" sq. ball mount, bike rack and cargo carrier. EASY INSTALL - Simply install with 2-set screws. DIMENSIONS - 3 x 3 x 2 in.