Quote:
Originally Posted by Rumpelteazer
Attempting to engrave my mechanical pencils using my father's Dremel. It is probably very anal but I'm engraving the hardness of lead on the pencil so I can keep them apart. I tried using labels but they get dirty quickly and a list isn't working too well either.
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FWIW you can buy mechanical pencils with built-in lead hardness indicators. They are usually found in the drafting section of an arts and crafts store.