Comes with an electric grinder and accessories, this kit is really good for engraving, cutting, milling, grinding, polishing, removing and drilling. Whether you are polishing stones for a handmade necklace, engraving a glass mirror, or cleaning a piece of vintage furniture, you will appreciate it for its good performance. Specifications: Color: Black Power: Single Phase, 50-60Hz Double Insulated Single Speed: 8000RPM Variable Speed: 8000-30000RPM Collets Type: 3.2mm Voltage: 100 - 240V Type: Engraving Tools Features: Speed 1-5 adjustable electric grinder Perfect for grinding, polishing, cutting, engraving, cleaning Used for wood, metal, plastic, drill, jade, etc