r/Firefighting • u/Swegist • 6d ago

General Discussion What do y’all call this ?

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What do y’all call this tool

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u/Reebatnaw 6d ago

It’s the ISO bar. The only thing it’s good for is an ISO point or two

2

u/joneptune FF/Medic 6d ago

This is the real answer, I presume.