Master Lock 377EURDAT Master Lock 377EURDAT Universal Hitch Lock Product Features: Fits 48mm, 51mm and most 59mm trailer couplers. Advance locking mechanism resists picking and prying. Easy to install and remove. Resists rust and corrosion. The Master Lock 377EURDAT features a trailer coupler lock, designed to fit 48mm, 51mm and most 59mm trailer couplers. The advanced locking mechanism provides resistance to picking and prying. Limited Lifetime Warranty provides peace of mind from a brand you can trust. Best Used For: Automotive & Towing Trailers. Vans & Moving Trucks. Marine Recreation.
