Proven Industries manufactures all of its products out of high strength impervious materials. In order to manufacture the best coupler lock, the process must start from the ground up and …

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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 …

Adjustable Trailer Hitch Ball Mount for 2" Receiver-GH45900 $250.00 SOLD OUT 2 Reviews

Our American-made lock is designed to resist most power tools and grinders. Stopping would be thieves in their tracks! Don't be fooled by third party products often made in China. Rest …

Rest assured Proven Industries trailer lock will leave you with simply the best coupler lock on the market. No other trailer coupler locks can secure your safety chains.

Model S175 is our most affordable trailer coupler lock because it slides right over the coupler flange. From an "A-frame" welded-on trailer coupler, to a straight bolt-on style trailer coupler, …

Rest assured that Proven Industries trailer lock products will leave you with simply the best coupler lock on the market. This style coupler will allow you to secure your safety chains inside …

Best Trailer Lock from Proven Industries. Proven Industries manufactures all of its products out of high-strength impervious materials.

Designing the best coupler locks is not an easy task. We pride ourselves on producing a "glove like" fit coupler lock. Rest assured that Proven Industries trailer lock products will leave you …