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Use this sturdy, rustproof aluminum coupler lock with a sleek silver powder coat to help prevent trailer towaway theft. Fits standard 1-7/8" and 2" ball couplers with flat lips. Can be keyed alike to match other etrailer locks.
Features:
Specs:
Note:
This heavy-duty coupler lock obstructs access to your trailer coupler to prevent would-be thieves from hitching your trailer to their tow vehicle and driving off with your gear.
The lock is constructed of extruded, tempered aluminum, making it strong and durable. The lock housing features a double nickel chrome finish, and the shuttered keyhole protects the inside of the lock from the elements. Complete with a silver powder coat finish, this coupler lock is attractive, sturdy, and rust resistant.
To install this lock on your coupler, insert the key and rotate it to release the locking pin. Slide the lock body onto the flat lip of your trailer coupler. Push the locking pin into the hitch ball socket to engage, rotate the key back to lock the pin in place, and remove the key.
Customer Satisfaction Score:
85% were satisfied with this product
15% of customers were not satisfied
Ratings & Reviews
Exactly what I was expecting. Fast painless ordering and shipping. Nice heavy duty lock. Well designed and machined.
It's a theft deterrent and will not stop a thief equipped with some simple trick from getting your trailer. But better than no protection.
It's a simple to install device.
I especially like this product as you only need the key to unlock it.You don't need the key to lock it on the trailer and that is different than most I look at.Order process was easy and the product arrived very quickly.Very satisfiedLarry
The product is good and will work for my needs. eTrailer.com is amazing. Fast shipping and excellent communication. For sure my preferred supplier.
Fits my 1 7/8 coupler on my harbor freight folding trailer. Slightly loose but holds securely enough. Will not be able to pry off. Easy operation and like the dual sided cut key.
Nice product. Looks of great quality.
Maybe not the ultimate in strength but enough of a deterrent for my purposes.
Would buy again if I have a similar need again. Price was also very fair.
The blockhead lock is light weight but heavy duty,the key is cut like an automotive key so you can insert it without having to worry if the teeth are up or down.Great feature when its dark out.The sleek design looks good too.Its giving me great peace of mind knowing it will protect my investment...Also will not rust,awesome unit.. received product quickly, will def use etrailer in the future....
Four Stars because nobody has tried to steal it. Yet. However, I'm pleased with the fit on my 1 7/8" trailer tongue. I feel pretty sure a sledge hammer would knock it off, but how many thieves are packin' sledge hammers?! I also put a Masterlock on the trailer latch. At this point, I would recommend both!
This lock works great for my boat trailer that has a "lip" on the hitch.
Ordered this product keyed alike with two other locks. Mistakingly, this was not sent keyed alike as the other two. Called Etrialer and immediately they acknowledged the mistake and processed the order to ship me the product keyed alike. I will be taking my boat on a trip this weekend and they even offered tk have it shipped to where I would be. Customer Service is always excellent. Thats why they are always my first choice and I always buy from them.
Excellent item. Well made, fair price. Ordered 2 different models (2 in. and 2 5/16 in.), and they did indeed match the keys for the two different locks.
I will be using the coupler lock for my boat trailer in conjunction with a master lock trigger lock. I selected the trailer coupler lock due to its design and easy installation.
Great product and delivery was fast. Enjoy the services that
e-trailer provides. Quality product and efficient delivery. .
This works great ! I will sleep better now. Real fast shipping too . Thanks
R
5/1/2023
This is an amazing product
Key is thin and flimsy - bent easily then broke off inside coupler (luckily I managed to remove it). HOWEVER - etrailer was great about getting me a replacement key. I was blown away by how helpful Kim was to make sure I was taken care of!)
So far I like it. I put it on my fishing boat trailer at my campsites to deter it be stolen
This is a new product to me with limited use this far, but so far so good as to how they work protecting my goods.
This inexpensive little trailer lock from etrailer works great. It is quick and easy to install and remove. Its sturdy aluminum construction makes it a formidable theft deterrent. I could not be happier with this purchase.
Chris S.
4/5/2024
I have been using this Trailer Coupler Lock from etrailor for over a year now and I am completely satisfied with its performance. It is very easy to use and has proven to be an effective theft deterrent. I would happily buy it again.
Jesse M.
5/8/2024
Excellent product. We have a problem with trailers being stolen and this sure stops that from happening.
Fits great on my big tex trailer with 2” ball hitch. Not sledge hammer proof, but would be difficult and noisy to pry off with a big bar. Uses normal cut keys too, so little chance of breaking the key off or stripping a round hex key. It is made of aluminum, which is great for corrosion resistance, but steel might be stronger. The locking pin is stainless steel though. Nice powder coat finish, too.
Planetcat
5/1/2023
After a year, the lock is still in good shape after being outside the whole time. No rust or other issues, opens and closes fine. Still provides an extra layer of security for my trailer.
I have three and love them.
Fits and in now protecting the trailer as it sits in the yard.
Quick shipping and I thought a good price.
Rick
3/14/2025
Still keeping my trailer safe
Item arrived promptly and was as described. Easy to attach to my trailer coupler and provides added protection and security when not hooked up to my truck.
The etrailer coupler lock works great and is very easy to use.
Need it for security as enclosed trailer won’t fit in a regular garage. Leave expensive items in trailer sometimes.
Fast shipping, good product and Taelor D is an excellent CSR.
Do you have a question about this Trailer Tongue Lock?
Condition: Surface Scratches
Notes: There are scratches and paint chips on the product. Otherwise, new and unused. Key # 18
Info for this part was:
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Hugh
3/16/2023
great