A new design in polishing and cleaning by 3M. These 3/4 inch thick abrasive impregnated discs feature flexible bristles that can be used for cleaning, pre-polishing, blending, and texturing. They can be used on precious and semi-precious metals. The discs are flexible and thin enough to get into crevices and small places. To cover larger areas, stack several discs on a screw-top mandrel. Sold in packages of 6. Mandrel not included. Pink discs are a Pumice Grit for Semi-finishing and Pre-polishing |