Brand: Master Lock Company LLC

MPN: does not apply

Master Lock Trailer Coupler Lock 378DAT - 2-5/16 Inch - Powder Coated (DK197)


Item is New in Open Box. Has been removed from original packaging and handled for inspection - Please anticipate signs of handling. Outer packaging may have cosmetic imperfections/damage - does not affect the item itself. Product may not ship in original packaging. Includes all items seen in pictures ONLY.


  • Fits 1-7/8", 2", and 2-5/16" trailer couplers
  • Advanced locking mechanism resists picking and prying
  • Powder-coated finish resists rust and corrosion
  • Not compatible with gooseneck trailer couplers


Letters and Numbers in ( ) is the items location and is for our reference ONLY.

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