Pneumatic quick connector is mainly used for quick connection of air piping, pneumatic tools, which can achieve pipe connecting or disconnecting without a tool requiring. Features: 1. Steel body and copper core, not easy to leak and durable for long time use. 2. It doesn't fall off under high pressure, safe and reliable. 3. Easy to install, requiring no tools when connecting or disconnecting pipes. 4. High precision threads ensure its good sealing performance and tight fastening. 5. Widely applicable for the connection between pneumatic devices and air hose. Specification: Material: Metal Color: Blue + Silver Thread: 1/4" BSPT Overall Height: 67.7mm/2.67in Hole Diameter: 12mm/0.47in Weight: Approx. 251g/8.9oz Package List: 1 x 3 Way Female Socket Connector Note: Please allow slight error due to manual measurement. Thanks for your understanding. 1、Steel body and copper core, not easy to leak and durable for long time use. 2、It doesn't fall off under high pressure, safe and reliable. 3、Easy to install, requiring no tools when connecting or disconnecting pipes. 4、High precision threads ensure its good sealing performance and tight fastening. 5、Widely applicable for the connection between pneumatic devices and air hose.