[Dual Gauge Design] - gauge indicate tank pressure, the other gauge indicate the inline pressure. WIth 24 inchlong spring protection hose. [Easy Installation and Quick Release] - It comes with an 8mm female quick-release coupling plug, and it could be connected and released from other male fittings within seconds. [Strong Compatibility] - Mainly used for high-pressure gas cylinders, SCBA gas cylinders, SCUBA diving cylinders or PCP gas cylinders, easy to assemble and install, for air/carbon dioxide filling.<br><br>Tube type: 24inch full spring tube Tube outer diameter: 6mm Pipe pressure: TP: 1700bar WP: 630bar Gauge pressure: 400bar/6000psi Thread: 5/8-18UNF Material: Metal colour: As Shown<br><br>Package Contents: 1 Set x DIN Valve Scuba Adapter with Gauge<br><br>Only 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.