What is a harsher substance? Sand paper...steel wool....anything more abrasive?
#2
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it all depends on the coarseness of the steel wool or the grit of sandpaper.......40 grit sandpaper will do more damage than 00 steel wool probably........
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#8
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Dont know how big your project is, but this should help<ul><li><a href="http://www.dremel.com/newsletter/july2005/final.html#30minute">http://www.dremel.com/newsletter/july2005/final.html#30minute</a</li></ul>