Features 360° Rotation: Air hose connectors rotate 360° at two pivot points to prevent hose kinking, improve tool maneuverability, and reduce operator fatigue. Size: The air hose connector has a 1/4in male NPT thread x 1/4in female NPT thread. the connector accepts both standard threaded fittings and quick changing adapters. Working Pressure: The air hose connector has a 1/4in basic body size and a maximum working pressure of 150 PSI. ensures you have a better sealing wire strap. Hardened Steel and Anodized Aluminum: Our air tool rotating fittings adapters are blue, anodized aluminum making the connector light weight and corrosion resistant, combined with hardened steel for longer life. Wide Application: 360° swiveling air hose connectors are suitable for pneumatic tools such as grinders, sanders, glue tool, drills, etc. Specification: Item Type: Air Hose Connector Material: Hardened steel, anodized aluminum Features: 360° rotation at two pivot points prevents hose kinking, improves tool maneuverability, and reduces operator fatigue. Package List: 4 x Swiveling Air Hose Connector  Package List 4 x Swiveling Air Hose Connector