Parts
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 them both and will provide the most secure trailer coupler lock available. Designing the best coupler locks is…
Having the best coupler locks is not an easy task. We pride ourselves on a glove like fit security product and with that being said this will reduce the percentage of thieves that are capable of breaching our security products. Model 2516 fits most trigger latch and thumb latch couplers. Rest assured Proven Industries trailer…
Model 2178-A was designed to fit the Atwood Yoke Latch trailer couplers. This style trailer coupler is usually found on open Utility Trailers or Travel Trailers. 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…
Model 2516-B was designed to fit BullDog style trailer couplers. This style trailer coupler is usually found on heavy duty trailers such as those used in commercial applications and heavier weight-rated trailer applications. In most cases, Bulldog style trailer couplers will be found on commercial trailers, but in some cases trailer manufacturers offer Bulldog couplers…
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 applications and heavier weight-rated trailer applications. In most cases, Bulldog style trailer couplers will be found on commercial trailers, but…
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