Cynder 5th Wheel King Pin Coupler Heavy Duty Lock Universal

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Manufacturer's Number: 00649
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  • Secures the king pin of semi-trailers, RV's, and other fifth wheel trailers
  • Fits most commercial and recreational fifth wheel / king pin couplers
  • Steel lock bracket is power coated to resist corrosion
  • High visibility red body alerts drivers that lock is attached
  • Solid steel 13/16" diameter pin
  • Fit padlocks (not included) with 7/8" or less shackle diameter
  • Pin Diameter: 13/16"
  • Pin Length: 5-1/4"
  • Pin Hole Diameter: 7/8"
  • Inner Width: 2-1/8"
  • Inner Length: 3-1/2"
  • Outer Width: 3-7/8"
  • Outer Length: 4-11/16"
  • Height: 1-3/8"
WARNING: This product may contain one or more chemicals known in the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, visit