AMPLock U-BA3 3″ Lunette Ring Trailer Coupler Lock

Upgrade your trailer's security with the AMPLock U-BA3 3" Lunette Ring Heavy Duty Trailer Coupler Lock, engineered for unmatched protection against theft. Precision-molded to fit your pintle hitch receiver, this heavy-duty trailer lock ensures a snug, wobble-free fit while resisting tampering, drilling, and forced entry. Crafted from high-strength, corrosion-resistant steel, it’s built to withstand extreme conditions, making it ideal for travel trailers, RVs, and heavy equipment.

Featuring advanced disc lock technology with millions of unique key combinations, the AMPLock U-BA3 is pick-resistant and compatible with the Keyed Alike system for hassle-free management. The push-and-lock cylinder system simplifies installation and use, delivering instant security with a single push. Protect your investment with a lock designed to deter even the most determined thieves—wherever your adventures take you.