Comes with safety burst valve Fit for high pressure cylinder Carbon Fiber Tank with *1.5 thread Thread of the gauge is 7/16inch-20UNF, the same as the mini scuba pressure gauge. If you want to replace it, need to install it in the tank and use a 24mm socket wrench, that be much easier. Thread of the hose and way valve is M10x1<br><br>Tank Valve with Dual High Pressure Gauge, one gauge shows the pressure inside the tank Constant air valve/air fill station with black color M18x1.5 male Inlet thread 50cm high pressure charging hose Tank ON/OFF valve 6000psi Black Bottom Silver Case Small Watch CO2 Refill Station Tube Type:24inch full spring tube Tube outer diameter:6mm Tube pressure::1600bar :630bar Colour:Black Material:Metal Size: Height:117mm Handle outer diameter:48mm Handle Height:33mm<br><br>Package Contents: 1 * full spring double gauge valve<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.