... , so it has many applications. Has Line-In & Line-Out and comes with standard 3/16" brake line fittings & installation instructions. Black Anodized Aluminum ... -1/2") (Depth is 1") Easy to use: Just step on the brakes, push in the knob on the Brake Lock, and ... holds the brakes which is best for short term use Hydraulic BRAKE LOCK,LINE LOCK, Line pressure holds brakes,Cars,Trucks,Disc,Drum