This online catalog does not represent everything that our store carries. Please contact your nearest location if you don't find what you are looking for.

Master Lock Trailer Coupler Lock 1-7/8" & 2"

Master Lock



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 and remove
Resists rust and corrosion

BEST USED FOR: OUTDOORS
Marine & Offshore Security
Trailers, Trucks, & Towing
Trailers, Vans & Moving Trucks


We Also Recommend