DIN (5000 PSI) tank pressure checker Includes both BAR and PSI scales Grip boot for a secure grip, even with wet or gloved hands Fits standard size coupling Oil Filled The H2Odyssey DIN Tank Pressure Checker With Grip Boot makes it fast and easy to get a pressure status on your cylinder with DIN style valve. The easy to read gauge face includes both BAR and PSI readings, with a maximum reading of 350BAR / 5000 PSI. The gauge is enclosed in a protective grip boot with raised ridges that make it easy to grip, even with wet or gloved hands. Essential equipment for any diver who uses DIN style connectors.