These Fluid Extractors are easy to use and include manual hand pump or pneumatic versions. They are designed to remove fluids through filler ports and dipstick tubes. The extractors provide a clean, fast and simple way to evacuate a wide range of fluid types: engine oil, transmission fluids, gear oil, coolant, brake fluids and more. They are perfect for use with automobiles, small engines,marine, landscaping equipment, ATV's, motorcycles, farm equipment, snowmobiles and much more. The JDI-050EV makes brake bleeding clean and simple using compressed air and a venturi vacuum system. It makes removing old fluid from the master cylinder and replacing with new a single person job. It can also be used to evacuate a variety of other fluids from vehicles or small engines. Includes a bleeding tube and fluid refill bottle.