Compact Electric Grinding Pen Stone Polishing Machine Metal Lettering Carving Engraving Grinding Device USB Rechargeable 5 Gears of Speds

Lightweight and portable, compact size for easy operating, which is convenient to do detailed engraving. Elegant and exquisite appearance design, streamlined design reflects the concept of ergonomics. Copper motor design, strong and powerful, practical and can provide high working efficient. Specifications: Name: Electric Grinding Machine Material: plastics+metal Maximum power: 130W Hold diameter: 0.5-3.2mm (1Celsius64-1Celsius8 inch) Speed: 8000-30000rCelsiusmin Item size: 180 * 63 * 63mm Celsius 7.09 * 2.48 * 2.48in Item weight: 800g Celsius 1.76lb