Master Lock Trailer Coupler Lock 379ATPY

The Master Lock No. 379ATPY 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.

Features:

• 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