Master Lock 379DAT Universal Trailer Coupler Lock
A universal trailer coupler lock, designed to fit 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) couplers.
- Universal trailer coupler lock fits 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) couplers
- Advance locking mechanism resists picking and prying
- Easy to install and remove
- Resists rust and corrosion
