Feature 1、Knob Control: The engraving pen tool efficiently switches between 3000 to 20000 RPM for stepless adjustment, suitable for various materials like metal, plastic, glass, wood, and more. 2、DIY Tool: The engraving pen kit includes a variety of attachments for carving, engraving, polishing, etching, grinding, cutting, drilling, and more, ideal for DIY projects and small scale works. 3、Practical Design: The DIY rotary tool comes with 24 templates for engraving texts and numbers on jewelry, stones, or personalizing artworks and crafts, offering precise carving performance from fine lines to deep grooves. 4、Multifunctional Use: Personalize or decorate almost any material in seconds, such as metal, plastic, glass, ceramic, wood, leather, stone, and more. Ideal for DIY projects, handicrafts, and light tasks. 5、Compact and Ergonomic: The lightweight and compact engraving etching pen ensures an enhanced grip and stable control, enhancing user experience for detailed and precise engraving. Item Type: Electric Engraving Pen Material: Plastic Chuck Size: Approx. 2.3mm / 0.1in Adjustable Speed: 3000-20000rpm Package List 1 x Rotary Tool 1 x Engraving Pen 30 x Grinding Pin 1 x Grinding Pin Box 6 x Grinding Head 1 x Grinding Head Box 6 x Sanding Roll Head 2 x Quench Drill Bit 2 x Connecting Rod 3 x Stainless Steel Cutting Piece 3 x Grinding Piece 24 x Template 1 x User Manual 1 x Plug Note 1. Please clean the machine body with a soft cloth. 2. Do not use solvents or detergents for cleaning. 3. No parts of this tool are replaceable.