Master Lock 379ATPY Universal Trailer Hitch Lock Black
- Trailer hitch lock fits 1-7/8 in. (48mm), 2 in. (51mm) and most 2-5/16 in. (59mm) trailer couplers.
- Trailer lock is best used for vehicles, trailers, and RVs.
- Trailer coupler lock features advanced locking mechanism to resist picking and prying.
- Trailer hitch lock is constructed from zinc to resist rust and corrosion.
- Includes one trailer coupler lock, two keys.