Feature: 1. Quick plug-in pneumatic connector is for quick screwing and quick changing. 2. Internal self-locking snap connector supports good airtightness, which is not easy to fall off. 3. Made of plastic + all copper nickel plating, the valve is not easy to rust and it is corrosion resistance. 4. More durable than you think, it can keep good sealing, which is easy to install. 5. In small volume, supporting high pressure resistance, it can keep high tensile resistance. Specification: Item Type: Pneumatic valve Material: Plastic + all copper nickel plating Features: Fast self-locking Model(optional): BUC-06 Outer Diameter: Approx. 6mm / 0.24in BUC-08 Outer Diameter: Approx. 8mm / 0.31in BUC-10 Outer Diameter: Approx. 10mm / 0.39in BUC-12 Outer Diameter: Approx. 12mm / 0.47in Package List: 1 x Connector