A Speed Key for a Lathe Chuck

I hate tedium, so when I found it tedious to make large changes to a lathe chuck's jaw positions with the regular key, I came up with this.

And it really shines when you need to change jaws altogether -- it's quick.

I got that 8mm square rod stock from a scrapped dot matrix printer's tractor drive. 'Installed a file handle, pinned it and done.

I still have to use the regular key for final tightening and initial loosening, but this speed key saves a lot of cranking.

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