【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.