Uses hydraulic line pressure to temporarily hold brakes. Unit must be mounted in a location that is easy to reach from the driver's seat while pressing on the brake pedal so that you can set the lock. The most common use is on the rear brakes.
No special linkage required. Not recommended for use with silicone brake fluid, or as an emergency brake. Includes two brass adapter fittings for use with standard 3/16" inverted flare style brake line.
To Set Lock - Press on the brake pedal, push the knob down & release brake pedal.
To Release Lock - Step on the brake pedal slightly harder than before and it will release automatically.