A great product for refrigerant testing, easy to operate and convenient for carrying, can be used on all car A/C, commercial and domestic A/C and refrigeration systems.Features:This is a great tool set for refrigerant testing, charging and evacuation.Can be used on all car A/C, commercial and domestic A/C and refrigeration systems.Gauges are marked for R12 R22 R404A and R134A pressure reading.Color-coding on gauges, valves and hoses for convenient operating.Comes with a hook and 3 hoses (red, blue and yellow).Manifold are 2-way and made of brass.Specifications:The diameter of meter: 7cm / 2.8 inHose length: 80cm / 36 inHoses working pressure: 500PSIBurst pressure: 2500PSIWorking temperature: -20 to 60Package size: 23 * 17.5 * 9.5cm / 9.1 * 6.9 * 3.7inPackage weight: 1015g / 2.2lbPackage list:1 * Manifold Gauge3 * Hose1 * Hook