HEAVY-DUTY TRAILER LOCK: It’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. Our strong coupler lock fits select 2 5/16-inch trailer couplers to help keep your trailer secure.
TOUGH LOCK: The locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to stop burglars from using power tools, hammers, and crowbars on your lock.
UNIQUE KEY DESIGN: Our trailer lock has a special key design that prevents anyone from picking the lock. This innovative key system also features an interior locking mechanism that stops would-be thieves from making a copy of your key.
CUSTOM TRAILER-COUPLER LOCK: This custom-tailored lock will only mount on very specific 2 5/16-inch couplers. Make sure to check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
PROVEN INDUSTRIES: We are dedicated to providing our customers with the most effective trailer locks on the market. We carefully research and manufacture our locking systems from conception to fabrication in the USA. We pride ourselves on manufacturing our products in America! By doing so, we are able to ensure more control over the development and delivery of our products to our consumers.
Family Owned
We don’t have board members directing us to produce lower-quality products to increase the bottom line. This allows us to continue building incredible, effective, and secure products.
One Key for All Locks
Our innovative key system features the ability to key all your locks alike for your convenience!
Heavy-Duty Lock
It’s important to protect your trailer and camper from being stolen. Our strong coupler lock fits select 2 5/16-inch trailer couplers to help keep your belongings secure.
Model 2516
Model 2178-A
Model 2516-B
Model PL-5
Model 2178
Vehicle & Trailer Types
RVs and trailers
RVs and trailers
RVs and trailers
18-wheelers and fifth-wheel RVs
RVs and trailers
Steel Construction
Compatible Sizes
2 5/16-inch couplers
2-inch Atwood yoke-latch couplers
2 5/16-inch couplers
Fifth wheels
2 5/16-inch couplers