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:White, Pink, Green, Rose，black,white 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: 【Necessary Engraving & Grinding Tool】- Equipped with 12 accessories, this electric grinder drill set meets various needs for carving and grinding, making it an essential tool. 【Wide Applications】- With adjustable speed ranging from 3000 to 20000RPM, this mini rotary tool kit is perfect for nuclear carving, wood carving, cutting, sanding, polishing, engraving, milling, grinding, trimming, removing, and drilling. 【Easy to Use for Manicure】- Not only suitable for nails, but also for artificial nails, this manicure grinder kit offers convenience and versatility, making it for home use. 【Anti-rolling and Comfortable Design】- Designed with a secure grip and fall-arrest function, this electric grinder ensures superior comfort, control, and portability during use. 【Specifications】- Made of ABS material, this mini nail grinding pen operates on an input voltage of AC 100-240V 50/60Hz and features a maximum speed of 20000 RPM. Its lightweight design (75g) and compact size (160mm x 24mm) further enhance user experience.