USB Electric Polishing and Grinding Pen Electric Grinder Cordless Grinding Machine Rechargable Professional Engraver Sander Tool,10W Electric Engraving Etching Pen

<p>Specifications:</p><p>Power: 10W</p><p>Speed: 5000/10000/18000rpm (3 gears adjustable)</p><p>Battery Voltage: 4.2V</p><p>Material: Aluminum alloy</p><p>Item Size: 125 * 15 mm / 4.92 * 0.59 inch</p><p>Item Weight: 45g / 1.59oz</p><p>Package Size: 16 * 8.5 * 3 mm / 6.3 * 3.35 * 1.18 inch</p><p>Package Weight: 100g / 3.53oz</p><p>&nbsp;</p><p>Package List:</p><p>1 * Grinding Pen</p><p>1 * Wrench</p><p>1 * Charging Cable</p><p>7 Kinds * Rotor</p>

• Cordless Design :The USB rotary tool kit features a cordless design, offering you freedom and flexibility while working on your projects.
• Adjustable Speed Options:Mini engraving pen works with up to 10W power and high performance motor, Offers 5000/10000/18000 RPM settings for precision control in various tasks.
• Accurate Bearing: Polishing engraver built in accuracy bearing and extended rotation shaft integrated design, effectively improve the concentricity of electric grinding rotation, easy to achieve accurate punching and engraving.
• USB Rechargeable: Low on noise and high on efficiency, this mini engraver is rechargeable via USB. So, you can easily carry it around and use it without disturbing your family's or customers' peace.
• Automatic Power Cut Off: The mini engraving pen has built in safety protection circuit board and intelligent overload protection chip. When the working resistance is too large, the power will be automatically cut off to prevent damage, making it very safe to use.