3M's 1/2 inch adhesive backed diamond disks are used with 1/2 inch rubber backed mandrels for easy removal of glass from small areas to prep for polishing. Set contains one each 60 grit, 120 grit, 200 grit, 400 grit, and 800 grit. Also include five 1/2 inch rubber mandrels with 1/8 inch shank.
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