Universal Trailer Coupler Lock, fits 1-7/8", 2" and 2-5/16" Couplers | 500379DAT

The 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.

• Universal trailer coupler lock fits 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) couplers
• Advance locking mechanism resists picking and prying
• Easy to install and remove
• Resists rust and corrosion