Class 5 5 8 in. Barrel Style Receiver Lock 4 in. Span fits 2 in., 2 1 2 China 11305 5 8 Inch Black Trailer Hitch Receiver Bent Pin Lock factory ESEWALAS Heavy Duty Trailer Hitch Lock,Hitch Receiver Pin Lock with 5 8 CZC AUTO Hitch Receiver Pin Lock Stainless 5 8 Inch Trailer Receiver METOWARE Keyed Alike Hitch Lock& Coupler Lock Set, 5 8" Dia 3 1 2 Long Master Lock Swivel Head Receiver Lock Sportsman's Warehouse. Thule STL2 Receiver Lock Designed to work with all THULE hitch racks with hitch bolt receiver attachment. Features: Locks to receiver Eliminates movement One key lock cylinder included to lock the carrier to the truck For use with carriers using a non locking hitch bolt attachment