The Master Lock no. 3794DAT features a trailer coupler lock, receiver lock and trailer coupler latch lock. The trailer coupler lock fits 1-7/8 in. (48 mm), 2 in. (51 mm) and most 2-5/16 in. (59 mm) couplers. The receiver lock includes the push to Lock™; locking mechanism, easily used by pushing the lock body firmly onto the pin and removing the key. The Weather Tough® seal and water tight cap provides additional protection from moisture and dirt. The coupler latch lock adjusts from 9/16 in. (14 mm) to 2-3/4 in. (70 mm) for added application flexibility. The limited lifetime warranty provides peace of mind from a brand you can trust.
Keyed alike trailer coupler lock, receiver lock and trailer coupler latch lock
Trailer coupler lock fits 1-7/8 in (48 mm), 2 in (51 mm) and most 2-5/16 in (59 mm) couplers
Push to Lock™ receiver lock fits both 1/2 in (13 mm) and 5/8 in (16 mm) receivers
Stainless steel trailer coupler latch lock is adjustable from 9/16 in (14 mm) to 2-3/4 in (7 mm)
K1 key blank