A stylish residual pressure meter that you can see when you touch it, incredibly lightweight and compact model that can be seen even by the touch of residual pressure. *The tank pressure is displayed on the estimate, so it is recommended to use with a more accurate residual pressure meter. Body Material: Copper Alloy; Hose Material: Inner Tube: 12 Nylon, Outer Shell: Polyurethane; Screw Diameter: 7/16-20UNF; Maximum Working Pressure: 200 bars; Minimum Bending Radius (Inside Hose): 0.6 inches (15 mm); Function: Residual Pressure Meter; Basic Structure: Piston Type; Operating Temperature Range: -5 to +50 degrees Celsiuse; Water Depth: 0 meters : 0 - 50 Bar±10bar, 50~200bar±20bar *Hold clip, first-stage side hose guard standard equipment