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