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, , routing, grinding, drilling, cutting and other operations. Ergonomically designed, it is , 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 - , suitable for both artists and beginners. This cordless rotary engraver tool works quietly. It '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. 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.