Features:Powerful Motor --- High speed motor support speed from 4500rpm to 9000rpm, which can help you handle most jewelry rock creative work.Versatile Chuck --- 0.6-6mm chuck can fit most of cutting bists, drilling bits, brushes, etc(not include). So that the machine can do cutting, carving, drilling, grinding, polishing, milling, grind-milling, grinding, brushing, cleaning, derusting, etc.7-Level Speed Adjustable --- Come with 7-gear speed adjustable power adapter, easy control, effective work.Wide Application --- Can be used to polishing jewelry, jade, stone carving, wood carving, gold, denture, handicraft carving, etc.Premium Quality --- All metal construct shell, solid, durable and wear-resisit, have a long service time.Specification:Plug: EU/US/AU/UK (optional)Power: 90WVoltage: DC 24VSpeed: 4500-9000 RPMAdjustabtable Speed: 7-level adjustableSandpaper Size: 75mm (3inch self selling sucker)Motor Mode: 775Chuck: B10 chuck, 0.6-6mmItem Size: 170 * 110 * 80mmPacking List: 1 * Desktop Polisher1 * Chuck Wrench20 * 3in Sandpaper1 * Power Adapter