Quick Adaptor, Outlooking, Brass Chrome plated; JIS Style Adapters Model No.: YF-PM-01Gas: Oxygen , Vacuum,N2O,AIR,N2Specification: Male Long Type, Male Short Type, Hose Burb Type;Made of brass, chrome plated.Precisionly produced by CNC machine;Different screws can be available;We can also provide OEM service; Oxygen Adaptor