These Andersen Hitches series of locks are a definite 'must-have' for your trailer set up - they will keep your trailer secure and your wallet happy! Can be used with all standard EZ Hitches.Fits all EZ Hitches99.99% rust-free materialsOver 30,000 lbs shear strengthRubber dust cap protects key slot from liquids and other grime Clik-Lock™ system securely locks with one push (no 'false' locks)