3M's 1 inch Dual Lock backed diamond disks are used with 1 Inch Dual Lock mandrels for easy removal of glass from small areas to prep for polishing. Dual lock attachment is stiffer than Velcro backing, but holds longer and more effectively. Set contains one each 60 grit, 120 grit, 200 grit, 400 grit, and 800 grit. Also include one Dual Lock backed mandrel with 1/8 inch shank.
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