The Master Lock No. 379ATPY features a universal trailer coupler lock, designed to fit 1-7/8 inch (48mm), 2 inch (51mm) and most 2-5/16 inch (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. Package of 2 keyed-alike.
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
