Material - Made of high-quality Copper, Size: 46mm / 1.81 inch Length, rated to 4000 PSI, max pressure: 5000 PSI. Accuracy - Use NC machining, accurately, this air fitting adapter has a universal fitting design that lets you connect your air gun to this quick-disconnect fitting. Easy to Operation: Simply connect each fill adaptor to the male air tool fittings, female quick-disconnect coupling with precision bearing steel ball, high pressure resistance，this is one of the needed items to have in your parts kit. Quick Coupler Socket - Take this small adapter anywhere you go, and it can attach to a variety of PCP air guns whenever you need to! Application: Inflatable cylinder fittings, compatible with PCP airsoft, air gun, Foster paintball, Paintball tanks and SCBA tanks filling etc., Weight: 0.220462262 Pounds, Manufacturer: Xiamen Subang Technology Co.,Ltd.