1. Fast connection of water or gas between welding torch and welding plug. 2. These quick connectors are easy to install and recommended for use with 6mm or 8mm inner diameter hoses. 3. Made of high-quality brass, offering strong wear resistance and durable performance. 4. This water-cooled adapter is compatible with MIG and TIG welder torches and provides reliable performance. 5. Precision manufactured to strict factory quality control standards. Condition: 100% Item Type: Water Cooled Adapter Model Number: Quick Connector Color: Red + Blue + Copper Material: Brass Package Contents: 1 x Blue 6mm Quick Female Connector 1 x Red 6mm Quick Female Connector 2 x 6mm Male Connector 1 x Blue 8mm Quick Female Connector 1 x Red 8mm Quick Female Connector 2 x 8mm Male Connector Only the above items are included; other products are not included. Note: Lighting and display differences may cause slight variations in color. Measurement may vary by +/- 1-3 cm.