In an effort to extract maximum entertainment from every task I made this little tool to expediate wheel turning. Holds two wheel blanks one for pyrite/one for flint. Of course to make the mandrel I first had to build a micrometer adjustable file rest and a worm gear indexer (see first line). Hardened and lightly tempered 01 steel-bang on- bang off fit. Kinda broaches the last bit of fit.