Coupler Locks & Trailer Locks

This REESE Towpower universal coupler lock prevents theft and keeps your trailer secure. The bright, yellow color is highly visible and deters thieves. It features a ratchet design with six locking positions for versatility, and is designed to fit 1-7/8 In., 2 In., and 2-5/16 In. couplers.
Patented design
Fits Most 1-7/8", 2" and 2-5/16" Trailer Couplers
Distance between lock shackle holes center to center is 4-1/2"
Includes two keys

Trailer Coupler Latch Lock. 3-1/2 in long shackle, 7 mm Dia shaft Barbell™ lock. Hardened steel to provide maximum protection. Fits UFP couplers and wider applications. Retail packaging, shelf pack quantity 4, master carton quantity 24.

Universal Trailer Coupler Lock. Universal coupler lock - fits 2-5/16 in. Hardened steel to provide maximum protection. Packaging explains application usage. K1 key blank. Retail packaging, master carton quantity 4.

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.