This tool is designed to help the removal of tank valves so you can inspect the inside or remove the valve for air travel.
The tool is made from stainless steel and has a knurled banded finish to add grip for removal
the tool fits all diving cylinders that have DIN valves and also fits J cylinder valves
To use this tool completely empty all gas from the tank and screw in the tool to the valve, Then simple roll the tank and let the tool do the work or you can hit the tool with a hammer.