Convenient: the size of the electric engraving pen is small, light weight and easy to carry; It can be organized as a pen for precision work, or as a hammer for rough work, let you work better and less fatigue Comfortable handle: the cylinder drill bit body of mini cordless rotary tool is comfortable to hold Suit for: the rotary tool can be carved on the surface of metal stone glass wood Cordless Operation: This mini electric grinder perfectly solves operation problems caused by too short and messy wires; It is compact and powerful to carry, and it can still be used anytime outdoors Wide application: mini rotary tool can be used to grind, grind, carve, polish, engrave, grind, drill or smooth parts for any home improvement or craft work Description Mini Electric Grinder Mini Electric Engraving Grinder for Glass Metal Engraving is a great DIY gadget. Can be used for metal, stone, glass and wood surface engraving. The MINI carving pen is powered by USB cable, a small switch on the USB cable is easy to control. Features Electric engraving pen -The color red. -Material: aluminum alloy. -Size: 125x24 mm / 4.92x0.94 inch. Specification: Perfect rotary kit for grinding, polishing, deburring, removing, drilling and more. The multi-function tool grinder can also be used to care for pet claws. It will not be overused with hard materials. Package including 1 * Electric Engraving Pen 1 * USB Cable 1 * L-shaped spanner