Bulldog

The AMPLock Bulldog coupler lock (GNB) fits Bulldog-style gooseneck couplers with a custom-molded stainless steel body. The push and lock system secures in one motion, no tools needed. A disc lock cylinder with millions of unique combinations blocks picking and drilling. At 3 lbs, it's compact yet built to resist saws, torches, and corrosion. Made in Canada. Keyed alike compatible with all AMPLock products. Backed by a 5-year warranty with registration.