- Vacuum Gauge for testing and sealing: The brake booster kit includes a vacuum gauge, widely used to test vehicle vacuum systems and as a vacuum seal for easy reading. Pressure range: 0-30 inch Hg, 0-760 mm Hg. - Premium materials and ergonomic design: The vacuum gauge is made of high-quality materials for elasticity, heat resistance, and reliable sealing. The ergonomically designed handle provides a firm grip for quick, comfortable operation. - Complete package for diagnostics and maintenance: Includes 1 vacuum pump/brake bleeder, 1 reservoir jar & lids, 3 vacuum hoses, 2 tapered hose adapters, 1 "T" hose connector, 1 straight hose connector, 3 brake exhaust valve connectors, and 1 universal cup adapters. Essential for engine performance diagnostics, brake bleeding, fluid transfer, evacuation, sampling, windshield repair, and more. - Portable and organized: Neatly packed in a built-in plastic toolbox, with all tools and accessories organized for easy transport and storage. Includes adapters designed for all vehicle types, suitable for both residential and commercial applications. - Use scenarios and applications: - Brake system maintenance: brake bleeding and fluid transfer on cars and light trucks. - Engine and vacuum diagnostics: assess engine vacuum performance and related systems. - Fluid handling and sampling: evacuation, sampling, windshield repair, and other compatible tasks in home or shop settings.