Hydraulic Brake Park Lock & Line Lock Pressure Holder - Compatible with Cars & Trucks | Perfect for Off-Roading, Racing & Vehicle Security

Material: Iron Dimensions :(length * width * height): 5.2 * 2.6 * 7.2cm / 0.08 * 0.17 * 0.24in Package Weight: Approx. 176g Operation： Step on the brakes.Push down the knob on the Brake Lock.Release the foot brake and it's locked.To release the lock, step on the foot brake and it opens automatically. Install： Use two holes to mount the brake lock where is properly.In port (1/8in NPT): connect to master brake cylinder, it also come with 3/16in brake line fitting, you can chose to use the fitting or not.Out port (1/8in NPT):connect to rear brakes, it also come with 3/16in brake line fitting, you can chose to use the fitting or not.