Archived from the Tools In Action forum (Pub Talk). This thread is read-only.
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I made one of these a few years ago that also has a metric equivalent that I keep in my tool box with my wrenches.
I recently saw a video where Jamie from mythbusters keeps one of these on the lid of his toolkit. I can see how this could come in handy.
You can get pocket ones free from Starrett also.
The other side is a calendar from 1961 and I have had it from 1969
I think Smiley face flunked barber school!