This adjustable art ruling pen set is good for creating precise straight lines in your drawings. The unique design allows for easy adjustment, making it suitable for various artistic needs. Ideal for comic artists, illustrators, and designers, these pens ensure clean and consistent lines every time. Features -Color:Dark Green -Material:Metal, Plastic - Size: 13.00X0.70X0.60cm/5.11X0.28X0.24in - Size: 12.20X0.70X0.60cm/4.79X0.28X0.24in - Size: 12.60X0.70X0.60cm/4.95X0.28X0.24in -Creative design: the adjustable straight line drawing pen with a duckbill tip allows for precise and professional comic artwork -Efficiency boost: enhance your drawing efficiency, saving time and effort, enabling you to complete your comic projects faster -Versatile use: suitable for various scenarios such as drawing, outlining straight lines, and creating curves, meeting different artistic needs -Robust materials: made from sturdy and reliable materials, ensuring long-term use without damage, making your drawing tools more lasting -Portable convenience: lightweight and easy to carry, allowing you to unleash your creativity anytime, anywhere, making drawing more free and enjoyable Package list: 3 x Painting Pens