Cutting & Grinding Wheel is made of A/O, S/C, suiable for cutting, polishing and grinding for metal, steel, stone, marble Cutting & Grinding WheelFeatures:1 ... . Produced with advanced Italian technologies. 2. Using best abrasives, fillers, resin 3. Flat center cutting wheel/depressed center ... Cutting 4. very long life 5. easy to use Cutting & Grinding Wheel