Tiny Tool

Keuffel & Esser scale tool/key for installing and removing drafting machine scales.

Almost impossible to find, probably because they're so easy to lose given their size.

Until I found this one on EBay, I had seen one line drawing in an online copy of a Paragon installation manual, and the one used in the Inheritance Machining videos - enough to know it was a P-shaped cam doohickey with a screwdriver tip on the end, but not enough to reproduce it for myself.

And now I can...