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. Simple installation by air push without extra sealing requiring. 2. It doesn't fall off under high pressure, safe and reliable. 3. Release ring with oval design is more convenient to disassemble. 4. Pipe body can rotate 360 degree even if installed, which is simple and flexible. 5. High precision threads ensure its good sealing performance. 6. Easy to install, durable for long term use. Specification: Material: Plastic Color: Blue + Black Quantity: 35pcs Normal Pressure Range: 0-0.9MPa Maximum Pressure: 1.32MPa Low Pressure Range: -99.9-0Kpa Operating Temperature: 0-60 Hole Diameter: 4mm/0.16in, 6mm/0.24in, 8mm/0.31in, 10mm/0.39in, 12mm/0.47in,14mm/0.55in, 16mm/0.63in (5pcs of each size) Weight: Approx. 596g/21.0oz Package List: 35 x Tee Union Connector