What is This?This push to connect fitting is commonly used to connect lines for air in a quick and simple way, mainly used for air compression systems, vacuum systems, pneumatic systems.What will I get?Material: Nickel-plated Copper, PlasticColor: Silver Tone, WhiteFemale Thread Size: 1/2PT(Approx ID 18.3mm)Fit Tube OD: 6mm / 0.24inchOperating Pressure: 0-0.8MPaOperating Temperature: 0 - 60 Degree CelsiusSize: 28mm x 24mm / 1.1inch x 0.94inch(L*Hex.W)Package Content: 2Pcs x 6mm to 1/2PT Female ConnectorAre there any advantages of the product?Simple push-in design, the release ring can be rotated 360 degrees even after installation, offers good sealing. Resistant to high temperature and pressure, lightweight, easy to install.How to use it?First make the cut surface of the pipe vertical. Then insert the tube into the bottom of the connector.