2009-08-29.4 Brass Air Swivel Connectors 90 Degree Angle 360 Spin.1/4 npt fits all 3/8 ari hoses. Air tool accessories 4 brass air swivel connectors 90 degree angle 360 spin. 90 degree angled connector is great for putting in air tools to keep the hose out fo your way. Connector freely spins 360 degrees which helps keep the air hose from getting twisted.