Master Lock Trailer Coupler Lock 1-7/8" & 2" Pic Corp Thumb stud

Thumb stud

the end user has more time to wash off acid before burn occurs

no surface damage

for 18" roller covers

Master Lock Trailer Coupler Lock 1-7/8" & 2" Pic Corp Thumb studThe 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 and remove