The vacuum pump is designed to be portable, making it easy to use and reliable. It comes with an aluminum vacuum gauge, which provides accurate readings of the vacuum pressure. The kit is suitable for bleeding brake and clutch systems, and is also useful for testing the vacuum pressure in a car's braking system. The package includes a handheld vacuum pump, tank jar, lids, hose connectors, and adapters. The gauge range is 0-30inHg and 0-76mmHg.