High pressure resistant - can withstand working pressure up to 20-30 Mpa / 200-300 Bar / 3000-4500 PSI and equipped with pressure gauge indication.Dual Gauge Design - One gauge indicates tank pressure and the other gauge indicates pipeline pressure. Comes with 24-inch stainless steel spring protected hose.EASY INSTALLATION AND QUICK RELEASE - It comes with an 8mm female quick release coupling plug that can be connected and released with other male connectors in seconds.Strong compatibility - mainly used for high-pressure cylinders, SCBA cylinders, SCUBA diving cylinders or PCP cylinders, easy to assemble and install, for air/carbon dioxide filling.Tube length: 24inchTube outer diameter: 6mmPipe pressure: :1600bar:630barTable type: double scale white background silver case black and blue scale tableGauge pressure: 6000psiThread: 5/8-18UNFColour:BlackMaterial:MetalPackage Contents:1 x Air Tank Charging ValveOnly 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.