Features: 1[Easy To Install] The rotating nut make the installation easier and faster the elongated Barb part allows the pipe to be installed deeper. 2[General Size] Suitable for most American beer keg coupler the 5/16in barb suits for 5/16in ID beer tube and can support larger traffic. 3[Great Material] Made of high quality stainless steel which has high temperature ductility low magnetic permeabilityand low carbon content for greater resistance to corrosion. 4[Professional Design] It provides clamps to make the pipe fully stable and not easy to fall off with gasket not easy to leakage. 5[Easy Connection] Use for most American beer keg couplerconnect line to shanks and couplers perfect replacement of old or damaged parts. Specification: Item Type: Keg CouplerMaterial: Stainless SteelColor: As shown in the pictureFemale Thread Size: Approx.2.3cm / 0.9inMale Thread Size: 5/16inWeight: Approx. 72g / 2.5oz Package List: 2 x Valve Nozzle2 x Nut2 x Gasket Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.