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3M Radial Bristle Discs will give you the best possible finish and polish with a rotary tool. Use Pumice to pre-polish. These work best when stacked at least 4 to a mandrel (6 is ideal). Order 1 screw mandrel for each grit. Stack at least 3 discs per mandrel (6 is maximum) so the bristles sweep in a clockwise direction. Bristle discs last a long time and can be used right down to the nub. See our selection of miniature screw mandrels to fit your flexible shaft or rotary tool. Mandrels sold separately
Use this grit after polishing up to 1 micron. This is the final polish for a mirror finish on all metals.