Features Material -> The water cooled adapter is made of high quality brass material, durable to use. Function -> Quick connection of water/gas between torch and welding cap. Feature -> The fitting has high wear resistance performance, so durable in use. M10 -> M10 inner diameter pipe suitable for installation. Suitable for -> Can be used for MIG TIG Welder Torch. Features: Quick connection of water/gas between torch and welding cap. These quick connectors are easy to install. M10 hose with recommended internal diameter. Made of high quality brass, it has strong wear resistance, so durable use. Can be used for MIG TIG Welder Torch Specifications: Material: Brass Barb connector outer diameter: M10 (also the inner diameter of the connected hose) Colour: red Package List: 2 x quick connectors Package List