1Professional Design: The connector fittings are expertly designed for outboard engine fuel lines. The 6mm male and corresponding female connectors ensure a precise fit every time. 2Improve Efficiency: By ensuring a secure fit and proper fuel flow, these connector fittings can help enhance the overall performance and efficiency of your outboard engine. 3Universal Application: Suitable for 6mm internal diameter marine and outboard engine hoses, requires fixed clamps to secure the connection and ensure sealing. 4Premium Material: Made of high strength ABS, copper, stainless steel materials, ensuring long lasting performance and reliability in marine environments. 5Effortless Installation: These fuel line connector fittings are effortless to install and replace. This makes it an ideal and convenient solution to replace old or damaged connectors. Item Type: Tank Hose Pipe Joint Fittings Material: ABS, copper, stainless steel Application: Suitable for 6mm inner diameter boat and outboard engine use hoses (installation requires fixed clamps at the joint of fittings and hoses to ensure sealing) 1 x Male Hose Connector 1 x Female Hose Connector