Trimax Locks 2-5/16" Hitch Ball & Clamp Trailer Coupler Lock UMAX50 20-0464

Features a rugged corrosion resistant finish. Hardened 5/8 inch - 16mm steel shackle. Provides instant security for your camper, boat or trailer when they are not hooked up to your vehicle. Features 1/2 turn technology that cannot be false locked. Fits all couplers from 1-7/8 inch to 2-5/16 inch. Universal lock is easy to install.