Features and Benefits: Provides either vacuum or pressure with equal precision and convenience Features modern ergonomic design for comfortable long-term use Includes components needed to perform numerous diagnostic and mechanical tests including engine performance diagnostics brake bleeding fluid transfer evacuation sampling windshield repair and more Field serviceable with standard maintenance kits and replacement parts available Mityvac is a brand of automotive diagnostic and service repair tools since 1971. Beginning with the design and patent of a single hand-held vacuum pump intended for medical applications its uses broadened to include automotive diagnostics and service as well as industrial and consumer applications. Mityvac pump kits combine our hand vacuum/pressure pumps with accessories carefully selected to provide the most comprehensive kits available for automotive servicing. Mityvac offers kits for simple clean and quick one-person brake bleeding as well as more extensive kits for testing and diagnosing hundreds of automotive related functions. The MV8500 Silverline Elite Automotive Kit delivers both vacuum and pressure. The dual capability of the Mityvac hand pump combines two pumps into one. It will streamline your tool inventory while greatly extending its vehicle service applications. Mityvac offers the products and systems you need for any brake and clutch bleeding application air induction cleaning and compression testing cooling system evacuation or refill application for fluid handling and diagnostic applications.