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The most popular size couplers are represented by these two Stainless Steel Coupler Locks. Choose the pin size you need and match it up to our Receiver Lock for the perfect keyed alike set. These locks have many other uses like Lockers, Enclosed trailers, Coolers, Marine Dock Boxes, Gun Cases, and many more. be sure to browse our other l
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Excellent Product
I purchased the locks for my boat trailer hitch, spare tire and quick release trolling motor mount. I feel more at lease when leaving my boat & trailer unattended. The fact that one key works everything was the main selling point for me, I hate searching through keys on my key ring. The shipping was very fast. Great products.
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Scott · October 29, 2026
Exceptional Quality
This was my second coupler lock from Durasafe. It was keyed to match my first coupler and all the other Durasafe locks I currently use for my graphs, spare tire and trailer hitch receiver. I’ve been using these locks for more than 6 years and the product quality is exceptional. I also appreciate the top notch customer service I receive when contacting the company. The staff is quite helpful in making sure I purchase the right lock that fits the product that needs to be locked.
