Portable Electric Grinding Pen Set Rechargeable Nail Grinder Pen Kit Mini Polishing Pen with 20pcs Grinding Heads Lithium Battery Operated for Polishing Carving Drilling Trimming Engraving Rust Removing

Features:
Multifunctional Drill Pen: multi use for grinding, carving, polishing, drilling, rust removing, etc, all in one design saves the cost and space.
Wireless Operated: built-in 4.2V, 300mA lithium battery for power supply, convenient to use it at home or on the go.
3-gear Adjustable: 5000-10000-18000RPM three speeds adjustment, and 10W working power for high efficiency work processing.
Easy to Use: one button for speeds switching, easy to control; with battery indicator, speed indicator, and overload indicator.
Low Noise: noise reduction material and low-noise motor are used to make the rotation more silent.
Overload Protection Design: the drill pen will shutdown automatically when over loaded.
Wide Applications: it can be apply on wood, bamboo, jade, plastic, aluminum, chipboard, printed circuit board, etc.