Description:Color: BlackSize: 72mmx50mmx25mmoperating:1. Step on the brakes.2. Press the knob on the brake lock.3. Release the foot brake and the foot brake is locked.4. Release the lock, step on the foot brake, and the foot brake will automatically open.installation:1. Install the brake lock in the proper position with two holes.2. Oil inlet (1/8"NPT): connected to the brake master cylinder, and also equipped with a 3/16" brake pipeline connector, you can choose whether to use the connector.3. Outlet (1/8"NPT): connected to the rear brake. It is also equipped with a 3/16" brake line connector. You can choose whether to use this connector.Note: It should not be used in accident, emergency or long-term brake conditions.Packing list:1x Brake lock line hydraulic lockNote:1. About the Color: Due to the differences on the screen and the lighting, the item's color may be slightly different from the picture.2. About the size: the measurements are made by hand, the different measurement methods, please allow 1-2cm difference. 100% satisfaction guarantee:Customer satisfaction is our top priority. Our products are subject to strict quality tests. If you have any questions, please contact us! Our customer service team will reply you timely within 24 hours. We look forward to your purchase.