Feature:
Multifunction Micro-grinding Pen, small and simple strong power, firm clamping, metal handle, precision machining stable drill bit, concentric high, large capacity, rechargeable batteries, 350mAh, 3.7V, long service life.Scope of application:Polishing, rust phosphating cutting, lettering carved, recovery CPU, polishing/cutting motherboard, CPU grinding, rust phosphating, no damage to the surface of the component.Attention:Keep out of reach of children, to avoid sharp drill hurt.Keep the battery store in cool place, away from fire.