Trailer Tongue Coupler Lock, Dia 1/4 Inch, 3-1/2 Inch Span Trailer Hitch Lock for Latch-Type Coupler, Tow Boat RV Truck Car's ?Universal Fit Coupler Lock?- For coupler 1/4-inch latch padlock-style design tongue lock, this trailer coupler lock fits latch-type couplers with a maximum span of up to 3-1/2 inches. ?Reliable Strength?- This trailer pin lock is made of high-strength zinc alloy and protected from the elements with its black painted finish, while the coupler pin is shielded against corrosion with a durable zinc plating, enhance the the life of coupler lock and the security. ?Tubular Keys Lock Function?- RETRUE dog bone style coupler lock with a 360 degree rotating head and upgraded cylinder. 2 tubular keys include easy to turn 1/4 counterclockwise to lock, you only need to pull the lock to make sure it is working. Special locking function and double alike tubular keys enhances your convenience of use. ?Alike Keys Fairly Reliable?- From RETRUE your reliable partner, all of our keys in 2 packs of trailer locks are keyed alike. You can rest assured that you can purchase our same fitted locks to facilitate your travels. Superior Quality in Details: boat trailer tongue coupler lock, trailer tongue lock pin coupler, trailer hitch tongue lock, trailer tongue pin lock, boat trailer tongue lock, locking tongue hitch pin, trailer tongue locks, trailer tongue lock lot, pin for trailer tongue lock, tongue pin lock, trailer tongue lock 2 5/16, tongue lock, trailer coupler tongue lock, trailer tongue lock pin, tongue lock for trailer hitch, trailer tongue coupler lock, trailer tongue lock