***❤❤❤Hello! Welcome to our store! ❤❤❤*** Quality is the first with best service. customers all are our friends. Welcome to buy! Thread Size Female :1/8", 1/4", 3/8", 1/2" BSPT Tips: 01=1/8" Thread≈9.7mm 02=1/4" Thread≈12.7mm 03=3/8" Thread≈16mm 04=1/2" Thread≈20mm Model:4mm 6mm 8mm 10mm 12mm Used:For Compressor Hose Tube Pipe Connector Model Number:PCF Quick Fitting Material:Brass & Plastic Quick Fitting Color:Gold , Blue Name:pneumatic fitting Quick Connector connections Features: 1. Made of high quality metal material, sturdy and durable. 2. Quick connection, easy to mount. 3. Precision threads ensure the reliability of the connection. 4. Not easy to fall off under high pressure. 5. Suitable for quick connection of air pipe and pneumatic tools. Package:1 x Fitting