This is the XS Scuba Orca Pressure Gauge Features: 0 to 5000 psi or 0 to 350 bar Highly accurate bourdon tube design Includes 32 in (81 cm) high pressure rubber hose Attachment clip ready Built-in safety plug on the back The Orca series of analog gauges represent the best value. They are an excellent choice for rental, class use or to round out package deals. The gauges are CE certified and meet the accuracy of the EN250 and EN13319 norms.