IC chip grinding Pen, Polishing lettering removal tool, mobile phone motherboard repair, mechanical rechargeable mini electric grinder engraving pen, portable power IC polishing tool, portable IC chip grinding pen, for mobile phone CPU flash grinding removal tool.

Chip grinding pen with three-speed variable speed adjustment, suitable for different degrees of grinding needs, strong power, high-speed and smooth motor operation, strong power, high concentricity, solid steel body, increased counterweight, good grip, nine diamond grinding heads, long battery life, built-in 280 mAh battery, using USB-TYPE-C charging port, charging faster and more adaptable, the battery life can reach more than one hour when turned on.

features of chip grinding pen: polishing, rapid phosphating, cutting, lettering, restore the CPU, CPU grinding, polishing/cutting motherboard.