Master Lock Universal Trailer Coupler Lock - Gaurds Against Trailer Towaway Theft
- Fits most 1-7/8", 2" and 2-5/16" Ball Diameters of the following Coupler Brands:
- Reese, Fulton, Valley, Atwood, Shelby, Putnam, Hammerblow, Dutton Lainson, UFP
- Advanced Locking Mechanism Resists Picking and Prying
- Easy to Install and Remove
- Resists Rust and Corrosion
- Limited Lifetime Warranty
 | | The ball part of the lock slides in and out and to ensure a snug fit. |  | | The inside portion of the lock is designed with ridges that contour many styles of couplers. |  |
