Features Maintaining Good Sealing: Manual regulating bilateral fast connectors can maintain good sealing, have a compact structure, and easy to install. Quick Tightening and Replacement: The fast plug -in pneumatic connector can quickly tighten and replace quickly. It is a very useful connection tool accessory. Not Easy To Drop: The black pneumatic connector has an internal lock connector to support good gas tightness, which is not easy to drop. Support High -Voltage Resistance: Manual adjustment valve switch is strictly manufactured in accordance with standards, with reliability and high accuracy, small size, light weight, supporting high -pressure resistance, which can maintain high tensile resistance. Plastic + All Copper Nickel Plating: The valve is made of plastic + all copper nickel plating. The valve is not easy to damage and is scratch -resistant. 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 Package List 1 x Connector