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Universal Trailer Coupler Lock Fits 1 7/8", 2", & Most 2 5/16" Couplers - Master Lock

  • Universal Trailer Coupler Lock
  • Fits 1 7/8 in (48mm), 2 in (51mm) and most 2 5/16 in (59mm) couplers
  • Advance locking mechanism resists picking and prying
  • Easy to install and remove
  • Corrosion and Rust Resistant Coatings
  • Rubber Grip / Protection 

The Master Lock No. 379DAT features a universal trailer coupler lock, designed to fit 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) 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.

Master Lock No. 379DAT

AT# 1574