Constant air valve/air fill station with black color; Comes with safety burst valve 50cm high pressure charging hose; Tank ON/OFF valve Fit for high pressure cylinder Carbon Fiber Tank with M18x1.5 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.(Not included) Thread of the hose and way valve is M10x1 Used as spare parts for PCP specifications: M18x1.5 colour: black Material: metal Package Contents: 1 x adapter Only the above package content, other products are not included. Note: Light 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.