Features Has Compact Size: Conforms to the standard design, the small electric engraving pen enables high accuracy for the etching in every detail. Great Efficiency: Equipped with good bearing, the carving pen has a high speed, which will better improve your overall working efficiency. A Practical Tool: Comes with a variety of grinding bits, the grinder pen set suits perfectly for polishing, nail air, engraving and so on. Wide Application: Allows for free engraving on glass, metal, wood, plastic, leather, jewel, stone, and so on, very practical and reliable. Premium Material: Combining premium metal and plastic materials, the polishing pen engraver is not easy to malfunction and very durable. Specification: Item Type: Electric Engraving Pen Material: Plastic, Metal Package List:1 x Electric Engraving Pen 1 x Charging Cable20 x Grinding Bitor1 x Electric Engraving Pen 1 x Charging Cable20 x Grinding Bit3 x Cutting Piece1 x Circular Saw Blade Rod3 x Saw Blade4 Set x Engraving Tamplate Package List 1 x Electric Engraving Pen 1 x Charging Cable 20 x Grinding Bit 3 x Cutting Piece 1 x Circular Saw Blade Rod 3 x Saw Blade 4 Set x Engraving Tamplate