Description:Material: Scuba Diving Yoke Tank Pressure Checker is made of copper material, ensuring its durability and longevity.Double Reading Dial: Submersible Diving Pressure Gauge features a double reading dial that measures from 0 to 5000 PSI (0-350 bar), allowing you to accurately check the remaining air pressure in your tank.Glycerin Filled: Regulator Intermediate Pressure Checker Gauge is filled with liquid glycerin which helps dampen the effect of pulsation and movement, while also keeping the pin steady for accurate readings.Protective Rubber Jacket: Pressure Gauge comes with a protective rubber jacket that safeguards the gauge from potential damage, enhancing its lifespan and reliability.Package Includes: Each package comes with 1 Scuba Diving Yoke Tank Pressure Checker measuring 19.5cmx6.5cmx3.5cm/7.68inchx2.56inchx1.38inch in size, making it compact and easy to carry.Specification:Material: CopperSize Chart:19.5cmx6.5cmx3.5cm/7.68inchx2.56inchx1.38inchPackage Includes:1Scuba Diving Yoke Tank Pressure CheckerNote:1.Please allow slightly errors 1-2cm differences due to manual measurement.2.Please note that this product is suitable for Scuba Diving Yoke Tank only.