Master Lock 379DAT Universal Trailer Coupler Lock - 8 Pack Keyed Different - Heavy Duty Security for Boat Trailers, Utility Trailers & RV Hitches - Outdoor Travel & Storage Protection

Features:Universal trailer coupler lock fits 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) couplersAdvance locking mechanism resists picking and pryingEasy to install and removeResists rust and corrosionThe Master Lock No. 379DAT features a universal trailer coupler lock, designed to fit 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) 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.Best Used For: