Feature:1. High Performance: High performance adapter accessories, never used, all components are tested and quality controlled before shipment2. Not Easy to Rust: Made of light weight good quality brass material, the surface is polished, not easy to rust, possess high strength, strong durability, can be used for a long time in the pipeline3. Smoothly Connect: Brass barbed connector can be used as pipe joints to smoothly connect the air pipe to the engine4. Without any Fuel Leakage: The upside down design makes the connection tighter without any fuel leakage, allowing the fuel to burn more fully and improving the utilization rate5. M14x1.5 Thread: M14x1.5 thread size, common for most cars. Pipe inner diameter for 6MM, pipe outer diameter is 10MMSpecification:Item Type: Brass Barbed ConnectorMaterial: BrassThread Specification: M14x1.5Pipe Inner Diameter: Approx. 6mm / 0.2inPipe Outer Diameter: Approx. 10mm / 0.4inApplicable Models: General purpose.Package List:1 x Brass Barbed Connector