Contents: Rotary Mini Die Grinder used for Cutting, Grinding, Sanding, buffing, polishing which includes mounted stone, plastic and steel wire brush, sandpaper wheels, felt buffing wheels, cutting wheel, mandrel ,diamond drill bits, electric die grinder, rotary flexible shaft. Specification: Electric grinder Power-130w Voltage: 220V~ Cycle: 50hz 3.17 Collet capacity: 3.2mm, Rpm: 8000-30000/Min A general purpose assortment for cutting/carving, cleaning/polishing, grinding/sharpening and sanding For use with any electrical rotary tool that accepts an 1/8'' universal shank Package includes: 1 x Rotary Die Grinder for Cutting Grinding Electric Polishing Engraving Drill Bits Rotary Set