Air Hose Swivel Connector, 1/4" Male & Female NPT Ends, Swivels 360 Degree In 2 Places Prevents Hose Kinking & Keeps The Hose Out Of The Way,150 PSI Maximum Inlet Pressure, Aluminum Body, Female Pipe Threads Connect To Most Hose Fittings & Adapters, Not For Use With Percussion Tools.