3M Radial Disc Kit, 6 Each, 3 Grades And 3 Mandrels

Durable discs for fine detail polishing Features - Yellow for general cleaning, blue for semi finishing, green for final polish Max RPM 30,000 Disc diameter is 19mm Mandrel shank 3/32" (2.3mm) This radial bristle discs kit contains 3 disc grades: Yellow - removal of fire stain and general cleaning, Blue - semi finishing, and Light Green - final polish. These flexible discs glide through small grooves or fine detail while safely applying the required finish on gold, silver or platinum. Use between 3 and 6 discs of one grade on a mandrel. Disc diameter is 19mm. The diameter of the mandrel is 2.3mm. Features: Yellow for general cleaning Blue for semi finishing Green for final polish Please note the abrasive on the yellow disc will scratch most gem stones.

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