1This mini electric grinder uses premium motor as a driving component, and equipped with high-quality wear-resisting drilling and grinding bits. 2It has reasonable structure and long service life. 3Small size and low power, suitable for processing small objects. 4It is a great production tool to have, suitable for mold processing, repairing and grinding, polishing, cutting, etc. 5Widely used for dental denture processing, manicure, mold grinding, cutting, polishing crafts jewelry and stones.