Features 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 360° Rotation: Air Hose Connectors Rotate 360° at Two Pivot Points to Prevent Hose Kinking, Improve Tool Maneuverability, And Reduce Operator Fatigue. 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 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. 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