Bulldog Trailer Air Line Lock Commercial trailer security. Bulldog Air Line Lock secures trailer by preventing the release of the brakes. The lock prevents the red (airline) being connected, disabling the hydraulic breaking mechanism. Quick, easy and clean to fit, (no need go under the trailer or handle greasy parts). Utilises Bulldog high security, case hardened, anti-pick and anti-drill lock bolt. Two keys supplied. Save £10.00 by ordering Air Line Lock and Bulldog King Pin Lock together! |