Master Lock Trailer Hitch Receiver Lock and Coupler Lock Set - 1-1/4" and 2" Hitches

Master Lock Locks,Hitch Accessories - 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.

Features:

• 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 sleeve changes the pin diameter so that lock 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

Specs:

• 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" (5/8" with adapter sleeve)
• Inside pin length of receiver lock (span): 2-3/4"
• Limited lifetime warranty

3794DAT Master Lock Coupler Lock, Swivel Head Receiver Lock and Coupler Latch Lock

Replaces 3774DAT

Video of Master Lock Trailer Hitch Receiver Lock and Coupler Lock Set - 1-1/4" and 2" Hitches

Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.

Master Lock Universal Trailer Coupler Lock Review

Master Lock Keyed Alike Trailer Lock Set Demonstration

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Ask the Experts about this Master Lock Locks,Hitch Accessories

• What Size Couplers Will the Coupler Lock Fit in Universal Keyed Alike Trailer Lock Set # 3794DAT
  
• The coupler lock that is part of the Master Lock Universal Keyed Alike Trailer Towing Lock Set, # 3794DAT, is a universal fit coupler lock designed to fit most couplers. It fits 1-7/8 inch, 2 inch, and 2-5/16 inch couplers. I have included a video review of just the coupler lock below. The Hitch Lock fits both 1-1/4 inch and 2 inch trailer hitch receivers and the coupler latch lock will fit latches up to 2 inches wide with a 1/4 inch or less hole diameter. I have included a link below to a de
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