Brake Fluid Vacuum Pump / Tester: Padded pistol grip with vacuum gauge, simple operation, accurate gauge 0-30 inch Hg, 0-760 mm Hg. Heavy duty steel handle and brass cylinder. Can test various vehicle vacuum screwdriver components including: brake bleeder, radiator, PCV and EGR valve, replacement headlight door and regulator, etc. . Can also be used to discharge and change brake fluid. Widely used in vehicles, the connector fits most vehicles and trucks. With complete accessories, including 120 ml drain pot with separable cover, 6 different adapters for different vehicles, 4 connection hoses. Complete brake bleeding kit: includes accessories for the brake bleeding kit. brake bleeding and automotive diagnostics. The Vacuum Pump Kit can test and diagnose a wide variety of common parts and systems on any vehicle.