At a Glance:

  • Heavy duty and fully portable
  • Drill and pick resistant heavy duty lock
  • Simple to fit - prevents release of brakes
  • Helps prevent theft of trailer
  • No padlock, utilises Bulldog’s unique Lock Bolt, with drill and pick resistant lock with 10 radial pins.


For your Peace of Mind

  • 5 Year Guarantee (via registration)
  • Made in Great Britain
  • Insurance Approved
  • Supplied with 2 keys and eligible for Bulldog Security Key Registration Service

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Bulldog AI20 Air Line Lock

  • Brand: Bulldog
  • Product Code: AI20
  • Availability: In Stock
  • £86.14

  • Ex Tax: £71.78

Available Options


Tags: bulldog, airline, lock, airline locks, commercial trailer, trailer security, coupling, airline, air line, ai20