Features: Necessary Engraving & Grinding Tool: Come with 12 accessories, meeting different needs for DIY carving and grinding. Widely Use: Suitable for agate nuclear carving & wood carving with adjustable speed of 3000-20000RPM. Mini nail power drill machine set. Easy to Use for Manicure: The gel nail grinder engraving kit can be used for natural nails as well as artificial nails. Perfect for professional or home use. Anti-rolling and Comfortable Design: The handy and fall-arrest grip provides superior comfort and control.Light weight and portable. Wide Applications: Perfect for cutting, sanding, polishing, engraving, milling, grinding, trimming, removing and drilling. Specifications: Color: Black,Blue, white, pink Material: ABS Input Voltage: AC 100-240V 50/60Hz Output: DC 9V 500mA Type: Mini Nail Grinding Pen Rated Power: 1.2W Collet Diameter: 2.4mm Maximum Speed: 20000 RPM No-load Speed: 3000 RPM up to 20000 RPM (Adjustable) Grinding Materials: Aluminum plate, thin copper board, plastic board, chipboard, printed circuit board, epoxy board. Usage: Carving, engraving, grinding, sharpening, sanding, polishing, drilling. Grinder Size: 160 * 24mm / 6.3 * 0.9in(L * D) Grinder Weight: 75g / 2.6oz Package Size: 24 * 16 * 3cm / 9.4 * 6.3 * 1.2in Package Weight: 182g / 6.4oz Package List: 1 * Manicure Electric Grinder 1 * Power Adapter 6 * Sanding Bands 1 * Drum Mandrel 5 * Polishing Head Bits 1 * User Manual (English)