Don't let this be the second lock you buy.
The Best Lock at Any Price.
- Stop trailer theft before it happens.
- Simple to use, impossible to break.
- Built in the USA with a lifetime warranty*.
Madlock's patented one piece, All-Metal design, makes a user friendly lock which is quick & easy for anyone. Simply slide over the trailer coupler, lift the lock, insert and turn the key. Your trailer is now secure!
![](http://madlock.ca/cdn/shop/files/giphy_{width}x.webp?v=1717092856)
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2-5/16" Ball Madlock Trailer Coupler Lock
- Regular price
- $293.00
- Sale price
- $293.00
- Regular price
-
- Unit price
- per
Sold out -
2" Ball Madlock Trailer Coupler Lock
- Regular price
- $293.00
- Sale price
- $293.00
- Regular price
-
- Unit price
- per
Sold out
Madlock is Different:
![](http://madlock.ca/cdn/shop/files/madco-15_{width}x.jpg?v=1620355920)
Unmatched Security:
Patented design with hidden locking mechanisms deters theft attempts.
![](http://madlock.ca/cdn/shop/files/madco-27_{width}x.jpg?v=1620355876)
Heavy-Duty Lightweight Champion:
Compact and easy to handle at only 3 pounds, making it user-friendly for everyone.
![](http://madlock.ca/cdn/shop/files/20220511_115212_{width}x.jpg?v=1652293436)
Simplicity is the Magic:
No complex instructions needed, anyone can install Madlock Trailer Lock in seconds.
![](http://madlock.ca/cdn/shop/files/IMG_0836_{width}x.jpg?v=1615841194)
Unique Design:
Unlike bulky, complex locks, Madlock Trailer Lock is lightweight, easy to use, and features a hidden, impenetrable locking mechanism.
![](http://madlock.ca/cdn/shop/files/madco-25_{width}x.jpg?v=1620355876)
American-Made Quality:
All-Metal. Built with American steel and a commitment to quality craftsmanship.
![](http://madlock.ca/cdn/shop/files/LockOnTrailer_{width}x.jpg?v=1717021451)
Lifetime Warranty:
We believe in our product. If you experience a mechanical failure, we'll replace your lock.