Dynabrade 94300 Swivel Airline Connector 1/4 Inch NPT

Never fight an air hose again! For use with most air tools – Grinders, Sanders, Glue Guns, Staple Guns, Drills, Buffers, etc.
The Dynaswivel is a universal-joint that connects portable air tools to an air line. It improves tool maneuverability, minimizes operator fatigue and extends hose life.
Non-marring composite construction.
Swivels 360 Degrees At Two Pivot Points allowing the air hose to drop directly to the floor while providing superb tool handling.