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Yes I was referring to a bench grinder using small wheels but I was serious about having used a dremel. I stopped when I was unable to get the flapsanders in my preferred size.

I've done plenty of restorations with a Dremel, even sanded right thru a blade once.
I don't use one now as there are better ways for me. YMMV.

If you want to go to the trouble & outlay a...