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Quantity
1
Description
Description
Model 2178 is our most popular trailer coupler lock because it fits the most amount of trailer couplers on the market. From an "A-frame" welded-on trailer coupler, to a straight bolt-on style trailer coupler, Model 2178 fits th...
Reviews
4.8
1K ratings
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Solidly Built
Many times you get what you pay for, and I believe this is the case here. Yes its a slightly more expensive lock, but the overall feel of build quality is well worth it. I love how the safety chains also get locked with it. Would buy again for sure.
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Nick · 7 days ago
Very well built
Bought this for my sea ark boat, very impressed with the build of this unit. It is super heavy duty. It may be able to be cut off, but I guarantee it will not be hammered off, and that’s a fact.
A
Austin · May 29, 2026
AWESOME!!!!!!
Definitely worth every penny. I feel a whole lot more confident that my boat is safe now with this monstrosity of a lock. Absolutely recommend one
