Carbon fiber weberei high pressure hose, high tensile strength, high stability, can withstand a maximum pressure of 300Bar 7/16-20UNF thread, suitable for most diving cylinders Luminous dial, easy to read in dark environment 360-degree rotation, convenient to check pressure readings during diving activities Product Name:Scuba diving pressure gauge carbon fiber woven hose Thread:7/16-20UNF Length:15cm Colour:Black Material:Stainless steel+rubber Package Contents: 1 * Diving Residual Pressure Gauge 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.