Package Content: You will get 10pcs PC4-M10 pneumatic connectors straight plugs. Good fittings and high performance, effectively prevent clogging. Quantity sufficient to meet your needs your usage requirements. Size: PC4-M10 connectors: M10 thread, inner diameter 4mm, suitable for with pipe outer diameter of 4mm. Material: PC4-M10 pneumatic connectors are made of high quality copper, nickel and nickel on the surface. Fine workmanship, sturdy and durable, anti-oxidation, anti-corrosion and high hardness. Can be used for a long time. Easy to use. Usage: Just plug in and start. Unconnected PC4-M10 pneumatic connectors can be easily connected by inserting the hose and it will lock automatically. Just press the black cap to easily disconnect the hose. Application: Widely used for connecting 3D printers and other devices over long distances. It can be easily connected to any device. by inserting the tube and automatically locks. The elliptical sleeve allows easy attachment and removal of