Master Lock Universal Trailer Coupler Lock. It is designed to fit most 1-7/8″, 48 mm, 2″, 51 mm & 2-5/16″, 59 mm, couplers. It has an advanced locking mechanism that provides resistance to picking & prying, guarding against trailer tow away theft. It is easy to install & remove and resists rust & corrosion. It comes with a limited lifetime warranty.
- Fits most 1-7/8 In., 48 mm, 2 In., 51 mm & 2-5/16 In., 59 mm, couplers.
- Advanced locking mechanism provides resistance to picking & prying, guarding against trailer tow away theft.
- Easy to install & remove
- Resists rust & corrosion
- Limited lifetime warranty
