The Boating Essentials Hitch Receiver Lock helps anglers secure a boat trailer before a long drive to the launch, an overnight salmon trip, or a quick run to the river for smallmouth and walleyes. This trailer hitch lock fits 2 in. receiver hitches and uses a 5/8 in. pin size for a secure fit that helps keep your setup locked in place during travel and while parked. Durable brass construction supports long-term reliability, and the included two keys add everyday convenience when you are hooking up, unloading, or getting back on the road after a full day on the water. Fits 2 in. receiver hitches 5/8 in. pin size provides a secure fit Durable brass construction supports reliability and longevity Includes two keys for added convenience and security