Features: Types of Threads: For international standard connection thread M18x1.5. Be sure to check tanks thread before purchase. Gauge indicate tanks pressure,the other gauge indicate the inline pressure. With 24inch long stainless steel spring protections hose. It comes with 8mm female quickly release coupling plug, and it could be connecting and released from other male fittings within seconds. Easy to operate, without training, anyone can easily operate it. And It can quickly filling and deflate. Mainly used for high pressure gas cylinders, SCBA gas cylinders, scubas diving cylinders or gas cylinders, easy to assemble and install. Specifications: Component: Metal Hose type: 24inch/60.96cm Hose pressure: T: 1600bar W: 630bar Hose outer diameter: 6mm/0.24inch Thread: M18x1.5 Package Includes: 1pc DIN valves Fill Station Adapter note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.