Frontier™ Ready 2 Go Air Water Coupled Hose Assy, 0.15 lb @ 1 ft, 0.67 in OD, 3 8 in ID, 50 ft L, 3 8 in NPT, MxM, 200 psi no checkout Versatile can be used with Versatile can be used with most ductile irons and steels Brass construction provides long service life Non interchangeable oxygen and fuel gas connectors Instant closure on reverse flow check valves Spring loaded locking mechanism responds to fingertip action and achieves a gas tight connection Double seal socket connection on second seal to construction site for pneumatic tools of all sizes and applications Available for light to severe duty applications in the sizes you need From in plant air