Mityvac 4050 Silverline Plus Automotive Kit Kit includes a dual converter pump for quick pressure Easy to read gauge without changing tubing or ports Kit comes with brake bleeding and automotive test accessories, Mityfill Automatic Fluid Feeder, vacuum plugs, tubing, users manual all in a durable plastic case Colored vacuum plugs allow isolation of the vacuum circuit for testing and for identifying circuit components during reassembly Designed for use with pressure and vacuum actuated devices