Freight Defense Air Safe – Air Brake Lock for Semi-Trucks

The Best Defense

Freight Defense made the Air Safe is a unique air brake lock designed to protect the Class 8 market. It installs easily with no need to remove it from the dash. You can literally lock/unlock your air brake valves faster than fastening your seatbelt.

Made from zinc die-cast, this one-piece durable design prevents tractor and trailer theft by keeping the tractor and trailer brake knobs locked in place when parked. Lock and unlock your air brakes in seconds. The Air Safe features Key-2-Ignition technology allowing us to code the Air Safe to match your truck’s ignition key (if specified at time of order). Random key codes are also available.


Pop and Lock logo


Pop and Lock






(800) 342-5911


1271 Contract Dr

Green Bay, WI 54304

ABOUT Pop and Lock®

Acquired by VSI, LLC on November 1, 2011, Pop & Lock has been the world leader in truck tailgate security for the past 20 years. Located in Green Bay, Wisconsin, Pop & Lock provides the aftermarket with the best security products for your tailgate, truck cap and tonneau cover. With over a hundred models covering most truck applications, you can bet there is a Pop & Lock for your truck!