DIY Engraving Pen Rechargeable Electric Carving Polishing Pen Portable Mini Driller Grinder for Metal Wood Jewelry Glass Feature: Powerful motor Electrical engraving pen has a 11,000 RPM powerful motor to engrave/polish metal, wood, jade, plastic,etc. Powered by 18650 3.7V Li battery (rechargeable battery and battery charger included). Portable Engraving Tool Kit This engraving tools come in a plastic box. Portable, convenient storage and carry for indoor and outdoor projects. DIY Mini Engraving Pen With 13 pieces engraving accessories tools, help to do different DIY carving and grinding work, like carving metal, polish jadeware, drilling holes, grinding, graving and others. Easy to Use Light weight, easily carry, You can hold like a pen, let you perform intricate work without excessive stress on your wrist or hand. Wide Application This electric grinder pen is great for kinds of material engraving and grinding, such as metal,wood, jewelry, jadeware, plastic,crafts, etc. Widely used to engrave tools, personalize jewelry,etc. A must tool set for engraving DIY lover. Specifications: Item Type: Charging Electric Pen Material:Aluminum Alloy& Steel Color: Silver & Black Size 203 25mm Rated voltage: 3.7V Rated speed: 11000rpm Application: Engraving, Carving, Polishing, Lettering, Waxing, Punching, Cutting, DIY Production Suitable for metal, wood, jewelry, walnut, olives, bodhi child, Jade, diamond, beads, glass, stone Quantity: 1Kit Note: Size for manual measurement, there may be a 0 to 3mm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package List: 1Carving Pen 1Charger 2Battery 1Plastic Box 9Grinding Heads