Features 1、Made of high-quality alloy steel, plastic and rubber materials, durable and practical, with a long service life. 2、Easily vent the brakes and test the car's vacuum system by yourself. The range of accuracy pressure gauge is ‑30‑0inHg, ‑760‑0mmHg. 3、A hand pump with pressure gauge allows testing many vacuum operating systems, for example. Fuel pumps, carbohydrates, etc. 4、A comprehensive vacuum pump and vacuum tester brake bleed kit for testing the vacuum system. 5、It comes with a tool box, which is easy to store and transport, and you can easily find it when you need it. Specifications: Item Type: Hand Held Vacuum Pressure Pump Tester Tool Material: High Quality Alloy Steel+Plastic+Rubber Brake Fluid Reservoir: Approx. 4oz Pressure Range: -30 – 0inHg, -760 – 0mmHg Package List 1 x Air Release Valve 2 x 24in Vacuum Hose 2 x 4in Vacuum Hose 7 x Vacuum Adapter 1 x Liquid Container 2 x Connector 1 x Toolbox 1 x Manual