Master Lock 379ATPY Universal Trailer Coupler Lock (Pack of 6) exp The 3/8in (10mm) diameter shackle

The 3/8in (10mm) diameter shackle is 2-1/2in (64mm) long and made of stainless steel

7D Laminated Padlock features a 1-1/8in (29mm) wide laminated steel body for maximum strength and reliability

Keyed Alike - multiple locks open with the same key - features a 1-1/2in (38mm) wide plastic Red body and a 3in (76mm) tall

Keyed Alike - multiple locks open with the same key - features a 1-1/2in (38mm) wide plastic Teal body and a 3in (76mm) tall

Only available keyed differently

Master Lock 379ATPY Universal Trailer Coupler Lock (Pack of 6) exp The 3/8in (10mm) diameter shacklePack of 6 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. Universal trailer coupler lock fits 1 7 8in (48mm), 2in (51mm) and most 2 5 16in (59mm) couplers Rekeyable cylinder for keyed alike