Cordless electric engraving pen, mini nail art set, hand-carved wood carving kit with complete accessories. USB charging, quiet operation. Powered by a 300mAh lithium battery, featuring 3 speed options. The body is made of alloy material with good heat dissipation, making your artistic DIY creation easy. The jewelry etching tool includes smart overload protection to help prevent motor damage. Small and portable, the whole machine weighs only 40g. The mini engraving machine has a built-in power switch design to prevent accidental shutdowns during use. Versatile and precise control: Can be used to engrave, sharpen, grind, or polish wood, plastic, tile, glass, ceramic, stone, metal, and more. Color: Silver Material: Metal Package Contents: 1 x Engraving Pen 1 x Data Cable 1 x T-Shape Grinding Head 2 x 2.35 Shank Bar 30 x 2.35 Rotary Drill 2 x Drill Bit (1.0mm, 1.5mm) 3 x Sanding Discs (16mm, 20mm, 25mm) 3 x Stainless Steel Cutting Discs (22mm, 25mm, 32mm) Note: Only the items listed above are included. Other products are not included. Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.