DescriptionThis item is a electric engraving pen. The including battery is rechargeable, so you dot need to prepare more batteries for it. This micro-mill is mainly used in engraving following materials, such as stone, wood, olive core, PCB circuit board, plasticstainless steel, glass and so on.Feature- Color: Golden- Material: plastic- Size: 16.5x3x3cm- Battery: AAA (not included)- Made of material for lasting use.- Small size and lightweight, you can work on the go.- Take up small space and specialize in detail carving.- Works great on glass, metal, stone, wood, and etc.- The precise design will ensure its practicability in the work of high performance.