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Quantity
1
Description
Description
FITS 2'' BullDog Trailer Couplers (Puck Lock Included)
Model 2178-B was designed to fit 2'' BullDog style trailer couplers. This style trailer coupler is usually found on heavy duty trailers such as those used in commercial app...
Reviews
4.6
273 ratings
5
4
3
2
1
Excellent product, rapid customer service when I had an install question. The product is built like a tank
D
David · August 21, 2026
Proven locks are the truth
It fits perfectly I love it
J
Joshua · August 31, 2026
Heavy Duty
The size and mass is a definite deterrent. I felt the lock I used before could be beat by a portable grinder. This lock would take too much time for a grinder. How do you rate a trailer lock? If you still have the trailer, was it because of the lock? Who knows. I would have given this a 5 star rating but I don't like how loose it fits. I feel a tighter fit would be good. But I still feel it will help me keep my trailer.
