Features 1、PLASTIC STEEL MATERIAL: Pneumatic quick connector is made of rigid material, aging resistant, corrosion resistant, and no rust 2、ACCURATE THREAD STRUCTURE: The structure come with high hardness, clear and wear resistant thread, not easy to crack 3、BUILT IN HIGH HARDNESS STEEL BALL: The buckle is tight and smooth, easy to operate and simple to use, very practical 4、PRESSURE RESISTANT: Maximum pressure resistance for 20kgf/cm², working pressure from 0~0.92kgf/cm², working temperature is -35℃~60℃ 5、SELF LOCKING FUNCTION: C type self locking pneumatic connector is light weight with fast connection speed, provide great convenience for your life Specification Item Type: Pneumatic Quick Connector Material: Plastic steel Maximum Pressure Resistance: 20kgf/cm² Working Pressure: 0~0.92kgf/cm² Operating Temperature: -35℃~60℃ Package List 5 x Connector 5 x Lock