Features Features: These quick connectors are easy to install. Recommended for fitting inner diameter M10 hose. Made of high quality brass, has strong wear resistance performance, so durable in use. They can be used for MIG TIG welder torch. Features: These quick connectors are easy to install. Recommended for fitting inner diameter M10 hose. Fast connection of water/gas between welding torch and welding plug. Made of high quality brass, has strong wear resistance performance, so durable in use. They can be used for MIG TIG welder torch. Specifications: Material: Brass Barb Connector Outer Diameter: M10 (also the inner diameter of the connected pipe) Color: Red+Yellow+Blue Package list: 3 * Quick Connectors Package List