Features 1、The main structure of valves body is wrapped with soft rubber, multi-layer anti-leakage, effectively keep dust out of the dial, with soft hand feeling and can provide long service time. 2、Dial using quality PC cover, high visual transparency, and with high protections performance. 3、Aluminum alloy valves body, sintered type clear-definition window, easy to observe the refrigerant flows, and more easier to make a judgment. 4、Two brass connectors are solid and firm, wear resistance and can provide long service time. 5、Mini dual-head dual-use small screwdriver, straight and phillips screwdriver are integrated into one piece for interchangeable use. 6、Two pressure adjustable connectors, high and low pressure can be debugged, quick connector, convenient and practical to use. 7、Four-color hoses are made of synthetic rubber, explosion-proof and pressure-resistant, 800PSI maximum working pressure, 4000PSI maximum burst pressure, high temperature resistance and aging resistance. 8、Premium valves core removal wrench, mini and compact, does not take up space. 9、Auto refrigerant bottle opener valves, quality alloy knob, dirt and oil resistant, high strength. 10、With replacement maintenance spare parts set, which is ready to replace and use with confidence. 11、Professional air conditioner repairing and refilling tool set, it is mainly used for the pumping and backpressure operation of refrigeration maintenance, perfect for refrigerant refilling operation of air conditioning system, and support display real-time pressure. Specification Name: Refrigerant Refilling Tool Set Material: PC, aluminum alloy, brass Guage size: 183 x 165 x 65mm / 7.20 x 6.50 x 2.56in Plastics box size: 300 x 310 x 90mm / 11.81 x 12.20 x 3.54in Item weight: 3003g / 6.62lb Package List 1 x Gauge 1 x Opener 2 x Pressure Fine Turning Connector 1 x Valves Spool Removal Wrench 1 x Dual Use Screwdriver 3 x Hose 1 Box of Spare Parts 1 x Plastics Box