Heavy duty trailer coupler lock fits 2-5/16 inch couplers;Laminated steel construction;Advanced locking mechanism resists against picking and prying;Keyway cover protects lock from moisture and dirt;Keyed alike stainless steel adjustable trailer coupler latch lock is included with the coupler lock

• Master Lock 3784DAT Heavy Duty Trailer Coupler Lock

Master Lock 3784DAT Heavy Duty Trailer Coupler LockMaster Lock