RETRUE Heavy-Duty Cast Iron Trailer Coupler Lock - Maximum Security for 2-5/16" Ball Couplers - Fits A-Frame & Straight Tongue Trailers - Weatherproof Chrome Steel Anti-Theft Lock with Lifetime Warranty

[MAXIMUM THEFT DETERRENT] Invest in true security. This isn't just a lock; it's an imposing, massive chunk of Chrome Steel and Cast Iron. Its heavy-duty profile is designed to discourage thieves at first glance, making your trailer a "no-go" zone for criminals.

[PRECISION 2-5/16" FITMENT] Engineered for the largest towing class. This lock is specifically designed to fit 2-5/16" ball couplers with a flange. Whether you have a Straight Tongue, A-Frame, or Adjustable coupler, RETRUE ensures a snug, secure fit that stops unauthorized hookups.

[UNIQUE PICK-RESISTANT DESIGN] Security starts where the key enters. Our unique keyhole geometry is engineered to prevent lock-picking attempts. Combined with the heavy-duty body, it provides a multi-layer defense for your hard-earned trailer and precious cargo.

[ALL-WEATHER PROTECTION] Built for the American road. The kit includes a custom-fit rubber cap that shields the keyhole from rain, snow, and road salt. The corrosion-resistant chrome finish ensures the lock operates smoothly even in the harshest coastal or winter environments.

[RETRUE LIFETIME WARRANTY] At RETRUE, we build gear for life. Our heavy-duty coupler lock is backed by an Industry-Leading Lifetime Warranty. Our dedicated support team is available 24/7 to ensure your complete satisfaction and security.