Master Lock 377DAT Trailer Coupler Lock (Pack of 4) engravable 3/8in (9mm) diameter hardened boron

3/8in (9mm) diameter hardened boron alloy shackle for superior cut resistance

Chrome rustproofing provides longer life

tags and an Master Lock No

2-1/8in (54mm) Wide reinforced laminated steel body for superior strength

8m) long and features 5/8in (15mm) diameter braided steel for maximum strength and flexibility

Master Lock 377DAT Trailer Coupler Lock (Pack of 4) engravable 3/8in (9mm) diameter hardened boronPack of 4 The Master Lock No. 377DAT features a trailer coupler lock, designed to fit 1 7 8in (48mm), 2in (51mm) and most 2 5 16in (59mm) trailer 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. Fits 1 7 8in (48mm), 2in (51mm) and most 2 5 16in (59mm) trailer couplers Advance locking mechanism resists picking and prying Easy to install