3.7V 350mah Maintenance Charging Miniature Engraving Pen Miniature Electric Grinding Engraving Cutter Mini Electric Polishing DIY Rotary Tool
- One-button switch, hidden switch button, will not touch by mistake, convenient and fast.
- Protective silicone cover design, comfortable grip, high efficiency.
- Compact and beautiful shape design, free from wire, easy to carry.
- The tip of the pen is firm and non-slip, with high speed and low vibration.
- All copper chuck, the drill bit does not shake, high concentricity.
- Suitable for repairing CPU, polishing/cutting motherboard.
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