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Keep your trailer safe from towaway theft with this universal coupler lock. Its tough frame fits in and around most 1-7/8", 2", and 2-5/16" ball couplers; and it has a bright red color and heavy-duty construction to deter theft.
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Note: This product cannot be keyed alike.
Average Customer Rating: 4.8 out of 5 stars (644 Customer Reviews)
Keep your trailer safe from towaway theft with this universal coupler lock. Its tough frame fits in and around most 1-7/8", 2", and 2-5/16" ball couplers; and it has a bright red color and heavy-duty construction to deter theft.Recently bought a boat and the trailer did not have any way to lock the tongue that I could see. After seeing that my stepson had a trailer with this style lock on it and seeing that it would be virtually impossible to pry it off I did some research. I have purchased from etrailer in the past and trust them to only sell the best. I ordered it and received it in a timely manner. It fits perfectly and I now feel my trailer and boat are secure. Who would doubt the Master Lock brand anyway!?!
Douglas - 12/16/2020I feel much better about parking my trailer on the street with this lock on the hitch. Not only does it lock up the hitch securely but the bright red color signals to prospective thieves that this trailer cannot be towed. It is easy to attach and easy to remove. Also very compact so it can be stored easily. The shipping time was less than I expected. etrailer.com is my goto supplier for my trailer accessories.
If ever I need anything and I mean anything that has to do with towing or trailers or racks they have I save gas easy-peezy
I recently purchased a new bumper hitch camper and this lock pretty much guarantees my camper will stay where I parked it. I like the way it is made.
Sam K - 01/09/2021Nice tool, I like that it will adjust easily for different depths so it will fit more than one size trailer tongue. It pulls in snug and with a couple firm smacks with a 2 pound hammer is still works just fine.
I'm really happy with everything keep up the good work the purchase was perfect the delivery was fast keep up the good work thank you very much
This is a terrific design since unlike padlocks, can't easily be cut with bolt cutters. I like the bright red color which tells a thief there is a lock to deal with from a distance. I think someone who wants your trailer can probably defeat any system you use, so the goal is to make it tough as possible and I think this lock does that.
I received the Master Lock Trailer Coupler Lock that I ordered. It was delivered in just a few days just a it was supposed to. It is exactly what I was looking for. It will help detour anyone from stealing my trailer ! I am extremely happy with the lock and etrailer ! I think this is a great company with great pricing on there products ! I will recommend them to everybody and will be ordering with them again real soon ! It was an easy and excellent experience. Great customer service too ! Thanks etrailer !
Fast delivery, packaged very well, and received everything in great shape! Ordering process was very simple and quick. Overall a great experience. Thanks trailer for a quick and easy order, and such quick shipping! I will absolutely use etrailer again, and definitely recommend to everyone I can!
This Master Lock Trailer Coupler Lock is tamper proof in my opinion. I purchased to of the lock (1 for my boat trailer and the other for my camp trailer. They are very easy to install.
Works well I like the fact that it`s easy to connect, fits 1-7/8" ball up to 2-5/16" and protects my trailer peace of mind
Lock fit with no issues on the 2-5/16" hitch our trailer uses. We have an enclosed double axle trailer used for lawn equipment transport. Seems to be fairly secure once locked in. The coating/dip on the exterior of the lock also is a nice touch. Should keep things fairly rust proof when we keep the trailer outside.
Keeps my dump trailer safe and sound
This lock is well built and fit as advertised. the key portion is smooth with no hangups
Eric F - 09/28/2020This is just the anti-theft deterrent device we have been looking for. We have an Excavation business and keep a lot of expensive tools and equipment in a 6x12 trailer. We can sleep at night knowing our trailer will still be there in the morning. This thing is very easy to put on and take off.
I got one of these with a new utility trailer I bought a few years ago. When I need to put a trailer coupler lock for my boat trailer that I have to leave out on the street sometimes I found this on Etrailer AND in Red. So now I have a Red and Silver. Two separate keys but easy to use and nobody is going to hook up my trailer when I am not looking.
These are easy to use and fit a lot of different type couplers These are my 3rd ones for all my type of trailers. Fast delivery as usual.
This fits my trailer coupler. Thanks for your help.
Easy to install, works well as a highly visible deterrent for the casual thief. I use this along with a latch lock, a wheel/tire lock, and locking X-chocks to hopefully make my travel trailer annoying enough that they'd just move on to something easier.
Its a good value, however in trailer thief you need more than just this alone. 26 dollars I'm sure there is away around this get a tire boot also.
This is perfect to protect your trailer. Very easy to put on and take off. Makes me happy every time I look in the back yard and see that red dot on the front of my trailer. Now to get the kayaks secured!
It's a great product. It looks good on the trailer, and you can see it from very afar. And there is no way to saw it off, break it apart, or something like that. The construction is basically rounded, and there is nowhere you can find a starting point to place a saw or breakaway device on it. I have also bought different lock from Reese, and it looks wimpy, and easy to take it apart, or saw it off as some reviews have suggested. It's also easy to put it on and take it off. Just love the product. Here I attach some pictures in the campgrounds, etc.
Works like a charm! With the lock on the side it does not collect snow and ice
I use a Master Lock Trailer Coupler Lock on both of my trailers and have had zero issues with its usability or versatility in the weather. It is very easy to install and remove, and stores out of the way in my truck. The Master Lock Trailer Coupler Lock is ready to find when Uninstaller, and it's bright red color makes it business to passersby, likely eliminating any ideas of trailer theft. A must have.
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