The G1/2-14 CO2 Cylinder Fill Adapter is made of brass material, durable and safe.The surface of the CO2 refueling adapter is polished, with good sealing performance, and anti-rust.The thread design is , the workmanship is exquisite, the performance is stable, and the service life is long.Good sealing performance: The M18x1.5 CO2 tank adapter has good sealing performance and will not leak when connected to the gas cylinder.EASY INSTALLATION: In just a few simple steps, your CO2 cylinder is ready to use this connector.Thread: G1/2-14 to M18x1.5, 5/8-18UNFHeight: 55.5mmDeflated to the safety plate width: 55.7mmMaximum pressure: 5000psiMaterial: brasscolour: goldPackage Contents: 1 x CO2 Tank AdapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.