Dead Bolt Hitch Lock - Fits all 2 inch square Class III and Class IV receiver hitches with a 5/8 inch diameter pin hole. This lock features the Patented Direct Drive locking mechanism that resists rust, corrosion and clogging. It has a soft-to-the-touch end cap that provides a comfortable grip, even in cold weather and a reversible key that makes insertion simple, even with gloves on. Solid machined steel construction with a chrome plated finish and a shuttered key cylinder. Includes cover for key opening and 2 keys. Load capacity is 5,000 lbs to 10,000 lbs. 1 per package.