OTC (8100 Fluid Evacuation and Brake Bleeding Tool Use to bleed brake systems and remove a variety of fluid from vehicles such as antifreeze oil transmission fluid and gear lube Quick connect locking hose adapters and ball-style on/off valve on hose prevent fluid leakage Equipped with a relief valve to prevent over-pressurizing the tank Complete with a brake bleeding hose fluid evacuation hose two suction hoses and 10-liter capacity tank Operates by shop air or a hand pump