Comes with an electric grinder and accessories, this kit is really good for engraving, cutting, milling, grinding, polishing, removing and drilling. Whether you're polishing stones for a handmade necklace, engraving a mirror, or cleaning a piece of vintage furniture, you'll appreciate it for its good performance. Features: Durable and reliable, small volume, light weight, easily carry, comfort grip handle, offers better control while drilling, convenient to use. Revolving speed is adjustable, you can replace grinding head easily by pressing the button, very easy for you to use. Perfect electric grinder for cutting, engraving, milling, grinding, polishing, removing and drilling. Built-in copper-windings motor offers the grinder longer service life. The grinder engraving kit is necessary for DIY carving and grinding. Applicable to stainless steel, porcelain, stone, , plastic, wood, bracelet, etc. Specifications: Material: Metal Plug: US Adapter: 5V Color: Grey, Black, Blue, Rose Red, White, Purple (Optional) Power: Single Phase, 50-60Hz, Double Insulated Single Speed: 2000RPM Variable Speed: 3000-20000RPM Spring Chuck type: 0.3-3.2mm Voltage: 100 - 240V Type: Engraving Tools Package size: 22.5*11.5*4.5cm/8.85*4.52*1.77in Package weight: 241g Note: Item color may show sight aberration due to different shooting light and monitor display. Packing list: 1 x Engraving Pen 1 x Adapter 1 x Use Manual A box of accessories includes: 6 x Diamond Grinding Head 6 x Sandpaper Grinding Head