1、Plastic Steel Material: Adopts the industrial environmental protection high strength plastic steel, 304 stainless steel spring and 304 stainless steel ball, has long service life 2、Accuracy Design: This pneumatic connector has precise automatic locking design, which is more sturdy and labor saving 3、Easy to Use: Light weight, fast connection, wear and corrosion resistance, can replace the quick connector made of traditional materials 4、Low Consumption: The built in self sealing valve allows you to disconnect from the pump without losing air, saving energy and no more noise 5、Application: This pneumatic connector is easy to connect and disconnect, and can be widely used in automation equipment, natural gas, compressors, etc.