The Reese Tactical Dogbone Receiver Lock keeps your trailers and towing equipment safe and secure. This trailer-hitch lock is engineered to be used with the Reese Tactical Collection and other towing accessories utilizing a 5/8 receiver hole. The Class V lock can be used with 2 and 2-1/2 receiver openings, and has a flip cap to cover the lock when towing. A matte pewter finish and rugged knurled aesthetics make it both attractive and durable. The Reese Tactical Dogbone Receiver Lock comes with 2 identical keys. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.