STEPLESS SPEEDFrom 3,000 to 20,000 RPM (Revolutions per Minute). Usually, Low speed for metal/wood, fast speed for glass/ceramic.MULTIPLE ACCESSORIESIncludes 10 pointed bits, 5 round bits, 4 jujube-shaped bits, 11 flat bits; 4 graphic stencils, 4 letters/number stencils, 8 flower stencils. 6 different style polishing head with sanding ring. Suits your needs from fine lines to deep grooves.DURABLE AND RELIABLEElectric portable drill is suitable for decorating or personalize a wide variety of materials including metal, plastic, glass, ceramic, wood, leather and more.COMFORTABLE & EASY TO CONTROLJust hold it like holding a pen, lightweight & compact design, letting you perform intricate work smoothly and effortlessly. Easily control the engraving/drawing path. Makes smooth and clear strokes. Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.