Your cart is empty.
Your cart is empty.Master Lock Stainless Steel Adjustable Coupler Lock is made of stainless steel that prevents rust and corrosion. It features 6 total locking positions, up to 3 inches and keyway cover protects cylinder from dirt and moisture.
Nate Johnson
2025-08-09 18:25:53
We were renting a uHaul for a week trip and I wanted to secure the trailer so I could disconnect and leave while we were out and about. This was a low cost, great solution. Gave me peace of mind that it would deter theft and was easy to use.Only potential issue is you can tell it is low cost, the keys are kinda like the daughters first diary level quality (not robust) and I'm not sure I'd trust it to stay outdoors in the elements long term as it'd probably rust.Overall: This is great for occasional use but I'd personally upgrade to something better if I was using it on my own trailer long term.
C.......C......A
2025-07-27 15:27:54
Though I do pull a trailer, I purchased this for another use. I use it to lock down a large trashcan lid. works like a charm.
robert capps
2025-07-17 17:41:07
Can be hard to unlock as key mut be inserted perfectly, cannot remove key from cylinder until you relocked it
John B.
2025-07-09 20:45:52
It’s a good lock, a little hard to lock until you use a time or two. Gives you piece of mind when leaving a trailer unattended, but it could probably be broken off with a hammer if they are serious about it…
AWRAY
2025-07-05 18:33:06
Easy to use and fits all of my hitches. Nice trailer lock and fair price !!
erroll
2025-07-01 11:36:49
Had to order a 2nd one only because I left my last one on the rear bumper and dropped off somewhere. Got the same one because my last one was over 3 yrs old and never had a problem with it. Even in subzero temps with ice and snow it never seized up. Well worth the money.
Chaz
2025-06-21 12:36:31
I like this lock because it was so easy to use.
Greg O.
2025-05-31 12:18:58
Mediocre quality
Juan F Chavira P
2025-05-28 11:57:52
Muy práctico y resistente a la interperie, este candado lo adquirà para reponer uno va idéntico que use durante más de 10 años el cual nunca se trabó y siempre funcionó bien el cual se me me extravió y me peso, probé otros dos modelos distintos de otras marcas pero este es para mi el más práctico y seguro de uso
SK
2025-05-12 16:00:16
I was looking for a lock that can lock my trailer, I asked a question if the lock is 6mm, after waiting for one week, no one answered, so I have to take a leap & buy it, unfortunately its 7mm plus, had to return it.I had added two pictures, with 2x measurements from different places, both have different readings, my calliper is lab calibrated by a calibration company, so its 100% correct.The whole specification includes every thing, but the most crucial part was missing, picture attached for those who are looking for such info, it would have been appreciated, if seller had responded to the question.
peter hamilton
2025-04-11 13:31:28
Lock my trailer. Fits and will work well, I hope.
コリドラス
2025-02-18 13:39:19
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M. williams
2025-01-17 19:50:40
Brilliant
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