Master Lock 379ATPY Universal Trailer Hitch Lock, Black

Universal Application

Trailer lock is best used for vehicles, trailers, and RVs.

Instructions

1. Insert key, turn to position 1
2. Insert ball of coupler lock into unlatched trailer coupler
3. Push shield toward ball on coupler until the shield will advance no further
4. Turn key to position 2 and remove key

Specifications

Trailer hitch lock fits 1-7/8 in. (48mm), 2 in. (51mm) and most 2-5/16 in. (59mm) trailer couplers.