Master Lock 377ka-0313 Trailer Coupler Lock

Trailer Coupler Lock, Designed To Fit 1-7/8", (48mm), 2" (51mm) & Most 2-5/16" (59mm) Trailer Couplers, Advanced Locking Mechanism Provides Resistance To Picking & Prying, Keyed To 0313, Uses Master Lock Key Blank K1BOX Or Ilco Blank M1 TV #320-952.

Features
  • Fits 1-7/8" (48mm), 2" (51mm) and most 2-5/16" (59mm) trailer couplers
  • Advance locking mechanism resists picking and prying
  • Easy to install and remove
  • Resists rust and corrosion
  • Keyed Alike.
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