Master Lock Universal Coupler Lock 60 x 135 x 90mm

The Master Lock 377EURDAT universal coupler lock 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.

• Fits 48mm, 51mm and most 59mm trailer couplers
• Advance locking mechanism resists picking and prying
• Easy to install and remove
• Resists rust and corrosion