Boatsinc2000 Posted May 26, 2014 Share #1 Posted May 26, 2014 (edited) Currently, I use 120x which is well worn most of the time so it is more like 150x. For really thin material under 1/64" I will use 220x. For metric guys: 1/64" = approx. .015" and 1mm = .039", so stuff under .4mm Edited May 26, 2014 by Boatsinc2000 WackoWolf and Landlubber Mike 2 Quote Link to comment Share on other sites More sharing options...
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