... This brake lock will hold any vehicle with hydraulic brakes, so it has many applications. Has Line-In ... 1") Easy to use: Just step on the brakes, push in the knob on the Brake Lock, ... Lift - Tow Trucks & More!Install on: Drum brakes or Disc brakes. NOTE: Not recommended as an emergency brake.Line pressure ... holds the brakes which is best for short term use Hydraulic ...