Master Lock 389DAT Universal Trailer Coupler Lock CyberMonday Use to transition from iron

Use to transition from iron pipe size to copper tube size

Use on 1-3/4" thick wood or metal doors with mortise or drive-in latches

Offers extended working time

Uses 100% diamond abrasives in Stage 1 and 2

Master Lock 389DAT Universal Trailer Coupler Lock CyberMonday Use to transition from ironThe Master Lock features a universal trailer coupler lock, designed to fit 1 7 8", 2" and most 2 5 16" couplers. The advanced locking mechanism provides resistance to picking and prying. Highlights: Universal trailer coupler lock fits 1 7 8 Inch (48mm), 2 Inch (51mm) and most 2 5 16 Inch (59mm) couplers Advance locking mechanism resists picking and prying Easy to install and remove Resists rust and corrosion Best Used For: Automotive & Towing,