A trailer lock – sometimes called a “hitch lock” or “coupler lock” – is a locking mechanism designed to keep would-be thieves from hitching up to your trailer and driving off with it.

The misidentification of coupler to hitch ball size has been one of the most talked about issues with trailer hook-up, but it continues to be a significant problem at rental stores. Jan 19 ...

For more information on the best trailer hitch locks, refer to our table of contents. Check price at Amazon An even heavier-duty trailer lock is Trimax's UMAX100 universal coupler lock. Like the ...