Ideal for finishing, polishing, blending and deburring. Portable abrasive makes finishing in hard-to-reach areas achievable. Contoured, hand-held foam backing ergonomically designed for better comfort. Open dot diamond pattern permits debris and swarf to escape, so mineral keeps cutting fast and sharp 3M™ Flexible Diamond Hand Lap 6200J is a versatile hand-held abrasive that optimizes the sharp cutting action of diamond mineral to grind and finish many materials, including chilled iron, granite, carbide, composites, non-ferrous metals, thermal spray coatings and exotic alloys. Bigger microns signal bigger minerals, so these grades are good for heavy, fast stock removal. Smaller grades are best for fine finishing.