High-speed chip polishing pen Electric Grinding Pen

KOOCU EP-2 CVT Electric Grinding Pen Mobile phone repair rechargeable handheld grinding pen small lettering electric grinder cutting tool mini polishing machine High-speed chip polishing pen Brushless motor, three-speed adjustment, high-speed rotation Built-in high-speed brushless motor   Speed ​​15000rpm,Strong power,High-speed rotation,Pure copper winding Simple button operation,Function switching,One-click operation Silent noise reduction processing Silent operation 25 decibels Plug in for long-term use Small and handy   Piano touch switch can switch various functions with one button. Simple button control, function switching can be done with one button. The aluminum alloy body is polished with high concentricity. High concentricity rotation without shaking. Noise reduction and silent processing, working noise is less than 30DB Noise is less than 30 decibels when working, quieter and less irritating   Dual power hybrid drive battery plug-in switchable Can use built-in large…

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