DEE ZEE 7018445 Bolt Receiver Lock, 5/8 in Dia Shackle, Class: III, IV and V, Chrome Zinc

The only receiver lock that will open with your car ignition key. Insert your key in the lock and turn, it then opens only with that key. Set all your truck, trailer and equipment locks to work with one key that is ignition key. Features a solid zinc core, automotive grade cylinder with patented 6 plate tumbler sidebar to prevent picking and bumping. Stainless steel lock shutter to keep out dirt and moisture and a rugged jacket and cap. Stainless steel 5/8 in Dia shaft (fits class 3, 4 and 5 hitch) and are made in the USA.