Features: 1.100% brand new brake lock line lock, hydraulic brake park lock pressure holder. 2.This brake lock using hydraulic line pressure hold your brakes. 3.Professional manufacturing, high accuracy and stable performance. 4.Come with one extra sealing ring for replacement. 5.Fit for cars, trucks, Disc or Drum brakes. Specification: Features: _x000D_ 100% brand new brake lock line lock, hydraulic brake park lock pressure holder. _x000D_ This brake lock using hydraulic line pressure hold your brakes. _x000D_ Adopted materials that meet strict requirements, high reliability. _x000D_ Professional manufacturing, high accuracy and stable performance. _x000D_ Come with one extra sealing ring for replacement. _x000D_ Come with installation instruction for easier using. _x000D_ Fit for cars, trucks, Disc or Drum brakes. _x000D_ _x000D_ _x000D_ Specification: _x000D_ Condition: 100% Brand New _x000D_ Material: Iron _x000D_ Main Color: Black _x000D_ Dimensions (length * width * height): 5.2 * 2.6 * 7.2cm / 0.08 * 0.17 * 0.24in _x000D_ Package Weight: Approx. 176g _x000D_ Fitment: Fit for cars, trucks, Disc or Drum brakes. _x000D_ _x000D_ _x000D_ Operation: _x000D_ 1. Step on the brakes. _x000D_ 2. Push down the knob on the Brake Lock. _x000D_ 3. Release the foot brake and it's locked. _x000D_ 4. To release the lock, step on the foot brake and it opens automatically. _x000D_ _x000D_ _x000D_ Install: _x000D_ 1. Use two holes to mount the brake lock where is properly. _x000D_ 2. 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. _x000D_ 3. 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. _x000D_ _x000D_ _x000D_ Package Included: _x000D_ 1 * Brake Lock _x000D_ _x000D_ _x000D_ Note: _x000D_ 1. It should NOT be used under unintended, emergency or long time hold brake. _x000D_ 2. Please allow 0.5-1 inch difference due to manual measurement. (1 inch=2.54cm) _x000D_ 3. The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. PackageList: