Heavy- Duty Rubber Air Whip Hose Swivel & Rotate Ball Fitting 1/4" Rubber whip hose for connecting air supply to air hose, tools & accessory Male-threaded connection with swivel & rotate ball fitting; hose can twist & turn without kinking Heavy-duty 200 PSI working pressure, 800 PSI burst rating Inside diameter 1/4", outside 1/2"; length overall 34" Male 1/4" - 18 NPT, female 1/4" - 18 NPT