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 easy. The jewelry tool has smart overload protection, so you 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 engrave, sharpen, grind or polish wood, plastic, tile, glass, ceramic, stone, metal and more. Colour: Silver Material: Metal Package Contents: 1 * Engraving Pen 1 * Data Cable 1 * T-Shape Grinding Head 2 * 2.35 Bar 30 * 2.35 Drill 2 * 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.