Function Universally works for passenger cars, trucks and engineering vehicles. Easy to operate, one person can finish the work related to brake fluid replacement. No dirty oil stained on the floor. Specification Material: plastic Size: 15 * 5.5 * 24.5 cm Tube length: 84 cm List of packages 1 * BRAKE VENT REPLACEMENT INSTRUMENT Instructions for use Remove dirty brake fluid from the tank Put the new liquid back in Start the car and connect the hose between the equipment and the brake branch pump Twist the screw to make it loose, but not do the end. Then open the valve to start pumping out the liquid. When the screwing is complete, turn off the valve Our tool fits do universal cars, you can use the tapered spout that is offered in the package to avoid air leakage Please lift the tool nad with the brake pump to make sure it is working properly.