This engraver kit comes with: 1 Engraving pen, 1 USB Charging Cable, 3 Saw Bits & 1 Connection Stick, 30 Drill Bits, 2 Polish Bits, 5 Specialty tips for different style lines. The 350mAh battery delivers reliable and powerful performance without the need for wires. Once fully , it can run continuously for over an hour. Equipped with a built-in safety protection circuit and an intelligent overload protection chip, the engraving pen automatically shuts off when excessive resistance is detected, preventing potential damage to the device. This cordless rotary tool features three adjustable speed levels, ranging from 5,000 to 18,000 RPM, making it suitable for materials. Typically, high speed works best for glass and ceramics, while low speed is ideal for metal and wood. This engraver pen is and easy to carry, allowing you to achieve precise engraving effortlessly. This engraving pen for all materials features an ergonomic design, offering a comfortable grip that feels just like holding a pen. With ultra-low noise during operation, it 't disturb others even in quiet environments. This tool provides an enjoyable user experience, making it ideal for both beginners and professionals to create personalized . Our customizer engraving pen is simple to use and ideal for engraving a wide variety of materials, including glass, wood, eggshells, plastic, jewelry, ceramics, leather, stone, and statues. To achieve the best engraving results, we recommend selecting the appropriate drill bit based on the material. With our mini rotary tool, you can easily create keychains, DIY necklaces, or craft unique and personalized gifts. Material:Metal Package Contents: 1set * engraving pen