Features: Personalized carving, metal engraver pen can be used for engraving, drawing, dressing, cutting, grinding, drilling, diy, etc. Easy to use,ergonomic handle design and accurate fingertip control design enable us to hold the carving pen like a pen, easily complete complex work, convenient control and use. Extensive use, this engraving tool kit is suitable for the carving and grinding of jewelry, jade, walnut,diamond, rosewood pear, beads, leather, metal, plastic and other materials. High-quality materials, the body of the precision engraver is made of metal material, the collet is made of high strength diamond for longer service life. Portable, the engraving tools have an 18000rpm/min powerful motor, suitable for cutting,easy to carry. Specifications: Material:Metal No-load Speed:18000rpm/min Input Voltage:12V Clamping Range:0.5~3.2mm/0.019-0.13inches Input Current:1A Package Includes: 1 Set Engraving Pen note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.