3/8” x 4’ Flexzilla ZillaGreen Ball Swivel Whip Hose Increases longevity of the main hose. Reduces user fatigue by eliminating weight of couplers/plug. Ball swivel increases mobility in tight workspaces. Improve air tool ergonomics. Engineered hybrid polymer air hose. Superior all-weather flexibility. 300 psi maximum working pressure. Excellent abrasion resistance. Reinforced bend resistance. 1/4in MNPT Ball Swivel. Flexzilla Hi-Vis color makes hose more visible in the workplace 1/4in. MNPT fittings HFZ3804YW2B