1、Made of heat‑treated stainless steel material with good quality for high strength and durability 2、Air compressor connector allows you to quickly connect/disconnect tools and overhead lines 3、This connector is quick to install without other special requirement and easy to use 4、Quick release connector is a perfect starter set or help for making up new hoses 5、Self‑locking C‑type barb male female quick connector is suitable for PU air hose of air compressor