Master LockSKU: 377DATAU

Master Lock Coupler Lock Fits Couplers 48Mm And 51Mm



The Master Lock 377DAT features a trailer coupler lock, designed to fit 48mm, 51mm and most 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.


Easy in install and remove
Available in a chrome finish to protect against rust and corrosion