Master Lock 377 Trailer Coupler Lock (Pack of 4)

Pack of 4 The Master Lock No. 377KA features a trailer coupler lock, designed to fit 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (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 can trust. Fits 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) trailer couplers Advance locking mechanism resists picking and prying Easy to install and remove Resists rust and corrosion Keyed Alike 377 Model No. 377 Trailer Coupler Lock (Pack of 4)