Check the listing for details. Accurate Pressures Tool Gauges Manometer Measuring Tool Accessory. Condition: New, Made in China. Listed at 63.48 USD. Features: Accurately measuring cylinder pressures to ensures diving safety. High precisions display, durability component, and easy to read scale. Strong compatibility, portables, suitable for various gas cylinder interfaces. Professional diver, firefighters, diving enthusiasts, and related professional. Professional activity such as deep-sea diving, firefighting, entertaining diving, and technical diving. Specifications: Dimension:142mm/5.59in Component:Stainless steel coppers Package Includes: 1pc Intermediate Pressures Checker Gauges note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.