Material: Stainless steel,carbon steel, brass,alloy and etc. Tube O.D: 1/8"-1" Thread size: 1/8" to 1-1/2" Thread standard: NPT,UNF,UNC,G,R,PT, BSP,ISO and etc. Applicable medium: oil, water,gas and other medium. Specified Specification available upon request. Our tube fittings ensure: Safe, reliable and leak-proof connection Easy installation and sufficient pull-up No torque transmission Packaging : Carton or wooden case or upon request