Made in the USA

  • Madlock Trailer Locks

  • Don't Let Your Memories Be Stolen: Secure Your Trailer with Madlock.
  • All Metal American-Made Durability

  • Protect Your Trailer From Theft with Madlock.
  • Madlock Trailer Locks

  • Peace of Mind in a Lock: Madlock, the Unbreakable Trailer Security Solution.

Madlock Trailer Locks

Don't Let Your Memories Be Stolen: Secure Your Trailer with Madlock. Buy Now

All Metal American-Made Durability

Protect Your Trailer From Theft with Madlock. Buy Now

Madlock Trailer Locks

Peace of Mind in a Lock: Madlock, the Unbreakable Trailer Security Solution. Buy Now

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! 

  • 2-5/16" Ball Madlock Trailer Coupler Lock
    Regular price
    $239.00
    Sale price
    $239.00
    Regular price
    Unit price
    per 
    Sold out
  • 2" Ball Madlock Trailer Coupler Lock
    Regular price
    $239.00
    Sale price
    $239.00
    Regular price
    Unit price
    per 
    Sold out

Madlock is Different:

Unmatched Security:

Patented design with hidden locking mechanisms deters theft attempts.

Heavy-Duty Lightweight Champion:

Compact and easy to handle at only 3 pounds, making it user-friendly for everyone.

Simplicity is the Magic:

No complex instructions needed, anyone can install Madlock in seconds.

Unique Design:

Unlike bulky, complex locks, Madlock is lightweight, easy to use, and features a hidden, impenetrable locking mechanism.

American-Made Quality:

All-Metal. Built with American steel and a commitment to quality craftsmanship.

Lifetime Warranty:

We believe in our product. If you experience a mechanical failure, we'll replace your lock.

Protect Your Investment: Trailers are expensive, and the memories they hold are priceless. Madlock offers peace of mind for both.