1. Vacuum Gauge: The brake booster kit comes with a vacuum gauge, widely used to test vehicle vacuum systems/as a vacuum seal for easy reading, pressure range: 0 30inch Hg, 0 760mm Hg. 2. Premium Material: The brake booster kit features a vacuum gauge made of highquality materials, ensuring elasticity, heat resistance, and reliable sealing performance. The ergonomically designed handle allows for a firm grip during usage, enabling quick and comfortable operations. 3. Package Includes: This kit includes 1 vacuum pump/brake bleeder, 1 reservoir jarlids, 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, which is essential for a variety of diagnostic and mechanical tests, such as engine performance diagnostics, brake bleeding, fluid transfer, evacuation, sampling, windshield repair, and more. 4. Convenience: The portable kit comes neatly packed in a builtin plastic toolbox, with all tools and accessories organized for easy transport and storage. It includes various adapters designed for all vehicle types.