This engraving machine kit includes: 1 engraving pen, 1 USB Type-C charging cable, 1 polishing bit, 2 drill bits, 3 saw bits and 1 connecting stick, 30 engraving bits, 2 stencils. All these bits are sufficient for artists and DIY enthusiasts to carry out engraving, carving, sanding, polishing, etching, routing, grinding, drilling, cutting and other operations. Ergonomically designed, it is lightweight, compact, easy to use.It offers three different speeds of 6,000 r/min, 12,000 r/min, and 20,000 r/m, along with forward and reverse rotation modes to meet the needs of different carving materials. It is USB - charged, suitable for both artists and beginners. This cordless rotary engraver tool works quietly. It won't even wake a sleeper. Perfect for beginners and pros to create unique works anytime, anywhere. The rechargeable USB type-C charging metal engraver pen has a built-in overload protection chip. It auto-powers off when resistance is too high, protecting the device and prolonging the jewelry engraving machine's lifespan. Break free from cable constraints. Thanks to the rechargeable design, you can enjoy up to 2 hours of continuous use. It is also equipped with a USB - C fast charger for your convenience. Colour:As Shown Material:Metal Package Contents: 1set * engraving pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.