Diamond convex polishing pads are designed with resin bond, convex shape for ogee, and other curves grinding and polishing. The convex diamond pad is wet used for granite, marble, engineered stones. This type of diamond polishing pad is applicable for marble and granite processing, good safety, and definition. A whole set of pads are 8pcs, including grit 50-100-200-400-800-1500-3000-Buff. Diameters are usually from 80mm to 100mm.