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

Use to transition from iron pipe size to copper tube size

Offers extended working time

Plant oils (thyme & wintergreen) have no adverse effects on mammals

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

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,