Cordless electric engraving pen, mini nail art set, hand-carved wood carving kit with complete accessories.USB charging, quiet operation. Powered by 300mAh lithium battery, 3 speed , the body is made of alloy material, which has good heat dissipation, making your artistic DIY easy.The jewelry tool has smart overload protection, so you & 39;t have to worry about engine damage. Small and portable, the whole machine weighs only 40g.The mini engraving machine has a built-in power switch design, so there is no need to worry about accidentally touching the switch and stopping the operation.Versatile Precise Control: Can be used to , sharpen, grind or polish wood, plastic, tile, glass, ceramic, stone, metal and more.Colour: SilverMaterial: MetalPackage Contents:1 * Engraving Pen1 * Data Cable1 * T-Shape Grinding Head2 * 2.35 Bar30 * 2.35 Drill2 * Drill Bit (1.0mm, 1.5mm)3 * Sanding Discs (16mm, 20mm, 25mm)3 * Stainless Steel Cutting Discs (22mm, 25mm, 32mm)Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm."