Master Lock Trailer Hitch and Coupler Lock Set Review - Video
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Master Lock Locks - 3794DAT
Kit includes a universal coupler lock to prevent towaway theft; an adjustable latch lock to ensure that your trailer won't be unhooked from the coupler; and a trailer hitch receiver lock that fits 1-1/4" and 2" hitches.
Towing kit includes 3 locks for ultimate security
Universal-fit coupler lock deters trailer theft by fitting over the coupler, preventing hookup
Designed for use when trailer is not in tow
Constructed with a laminated, riveted steel frame for strength and durability
Center section that fits inside coupler is finned steel - will not warp or bend
Coupler latch lock keeps others from releasing your trailer once it is hooked up
Stainless steel construction is durable and rustproof
Adjustable lock with 6 locking positions fits:
5/8" Latch width - most standard couplers
1" Latch width - most 2-5/16" ball couplers
2" Latch width - most wide-latch ball couplers
Trailer hitch receiver lock is used in place of standard pin and clip to prevent theft of ball mount or accessories such as cargo carriers and bike racks
Patented, stainless steel swivel head rotates 360 degrees for easy access
Brass keyway with aluminum casing conveniently faces toward you, not off to the side
Included pins will work with both 1-1/4" and 2" hitch receivers
Chrome-plated steel is durable and corrosion resistant
All locks have integrated keyhole covers to keep out dirt and moisture
3 Keyed-alike keys and convenient storage bag included
Coupler lock fits most 1-7/8", 2" and 2-5/16" ball couplers including:
Straight lip, rolled lip and surge brake/hydraulic couplers
Reese, Fulton, Valley, Atwood, Shelby, Putnam, Bulldog, Dutton-Lainson and UFP couplers
Pin diameter of coupler latch lock: 1/4"
Pin diameter of receiver lock: 1/2" and 5/8"
Inside pin length of receiver lock (span): 2-3/4"
Limited lifetime warranty