UNIVERSAL die cast dual purpose coupler lock (fits ALL couplers).
The UMAX 50 features a rugged corrosion resistant finish.
Provides instant security for your camper, boat or trailer when they are not hooked up to your vehicle.
Features 1/2"turn technology that cannot be false locked.
Fits all of the following couplers and more... 1 7/8" or 2" Fulton; Atwood 2"; UFP; Bulldog 2 5/16" couplers; Fulton Heavy Duty; Surge Brake (Reverse Mount).