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Current order lead time is 2 days. Next day air orders ship within 24 hours.
Current order lead time is 2 days. Next day air orders ship within 24 hours.

Blockhead Coupler Lock

Original price $32.95 - Original price $32.95
Original price
$32.95 - $32.95
Current price $32.95

Use this sturdy, rustproof aluminum coupler lock with high-visibility yellow color to help prevent trailer tow away theft. Fits trigger-style, 2" and 2-5/16" ball couplers with flat lips.


  • Tamper-resistant, sturdy lock deters trailer theft by preventing hookup
    • Fits over trigger-style coupler, engaging it like trailer ball does
    • Would-be thieves can't secure your unhitched trailer to their tow vehicles
  • Versatile unit fits over couplers with flat or rolled lips, blocking access to hitch ball opening
  • Heavy-duty extruded, tempered aluminum body is strong, durable, and rustproof
    • Lock housing features a double nickel chrome finish
  • High-visibility yellow, powder coat finish resists corrosion
  • Push-button lock sits on front of device for easy access
    • Shuttered keyhole keeps out dirt and debris to prevent damage to cylinder
  • Double-sided, automotive-type keys are simple to use
    • 2 Keys included
  • Multiple locks can be ordered keyed alike by selecting "Keyed Alike" option from drop-down menu above
  • Made in the USA


  • Application: trigger-style latch coupler for 2" or 2-5/16" ball
    • Coupler must have flat bottom lip
    • Maximum coupler width (including lip): 4-1/2"
    • Maximum lip thickness: 0.31"
  • 1-Year warranty

Part number 20-1132

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