Features: Powerful wireless engraving pen features 3 adjustable speeds and USB rechargeability, delivering precise engraving on metals, wood, and gemstones with 36 included templates. Equipped with digital display for real time torque monitoring, enabling quick bit changes and accuracy during detailed jewelry carving. Ideal for professional jewelers crafting detail and DIYer enthusiasts creating metal/wood artworks at homes studios or outdoor workshops. Perfect for stone inlay projects in garages, custom leather branding in craft rooms, or delicate jade polishing with its lightweight ergonomic grip. For various engraving/drilling/polishing operations, backed by overheating protection for extended creative. Specifications: Component:Iron Size: Approx.12.3x1.6x1.6cm/4.84x0.62x0.62inch Package Includes: 1 Set Electric Engraving Pen note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.