Type: Electric Engraving Pen, Engraving Tool Set, Wireless Engraving Tool, Etching Pen, Carving Pen, Electric Polishing Pen, Grinder Pen Note: This is a low-powered, non-specialist electric engraver, only suitable for small engraving and grinding areas. Description: This engraving kit can be used for engraving, carving, sanding, polishing, etching, grinding, drilling and cutting. Features: Compact and lightweight design, allows you to engrave smoothly and effortlessly. 3 gears adjustable speed making it is suitable for many different material. (The lowest speed allows you to polish your nails safely.) Comed with 4 graphic stencils, and 4 letter and number stencils and 8 flowers stencils. Designed with power indicator and an overload indicator. When the engraving pen is subjected to excessive resistance, it will automatically cut off the power to avoid damaging the motor. Suitable for surface such as jewelry, wood, plastic, glass, leather, metal and stone engraving. Specifications: Material: Aluminium Alloy, ABS Color: Black Engraving Pen Size(Dia.xL): 1.6 x 12cm Cutting Discs Diameter: 22mm, 25mm, 32mm Speed: 5000-10000-18000 RPM Battery: 300mAh Li-Polymer battery (Included) Power Supply Method: USB charging cable power supply (power adaptor not included) Voltage: 4.2V Package Contents: 1 x Engraving Pen 20 x Bits 16 x Stencils 3 x Cutting Discs 1 x Shaft Pin 1 x Type-C Charging Cable Please note: Due to manual measurement, there might be a tolerance in the product size. Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.