Harbor Freight Tools


2-5/16 in. Gooseneck Coupler Adjustable Sleeve Lock

Protect your 5th wheel or RV trailer with a gooseneck coupler using this specialized lock.

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Ensure that your trailer stays safe with this Gooseneck Coupler Adjustable Sleeve Lock. This trailer lock is designed to prevent removal of the coupler sleeve, preventing unauthorized use of a separate coupler. Made of heavy duty aircraft aluminum to prevent tampering and resist corrosion. Ideal for trailers stored outside or trailers unattended for long periods of time.

  • Heavy duty bracket secures around coupler's set screw to prevent removal of inner tube from outer tube
  • Constructed from aircraft-grade aluminum for added strength and wear
  • Corrosion and rust-resistant with hardened steel shackle

Important Information

  • Padlock sold separately. For maximum security, use with the HAUL-MASTER™ Gooseneck Coupler Lock, sold separately.

Shipping Weight
1.20 lb.
2-5/16 in.
Note: Specifications are approximate and subject to change

We guarantee the emissions control system on your engine will be free from defects in material and workmanship for two (2) years, provided there has been no improper maintenance, misuse, or abuse of your engine. We guarantee this product to be free from defects in materials and workmanship for 90 days from the date of purchase. Limitations apply.