The Master Lock 377KA Trailer Hitch Lock features a trailer coupler lock, designed to fit 1-7/8 in. (48mm), 2 in. (51mm) and most 2-5/16 in. (59mm) trailer couplers. The advanced locking mechanism provides resistance to picking and prying. The Limited Lifetime Warranty provides peace of mind from a brand you know and can trust.
Make sure this fitsby entering your model number.
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
One trailer coupler lock, two keys