Designed for precision and ease of use, these art ruling pens are good for creating straight lines and detailed drawings. The adjustable feature allows for adjust, making them suitable for various artistic styles. These pens are an essential tool for any artist looking to achieve professional results. 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 -Professional precision: the adjustable straight line drawing pen with a duckbill tip ensures your comic art is precise and professional -Efficiency improvement: increase your drawing efficiency, saving time and effort, helping you complete your comic projects more quickly -Multipurpose use: ideal for drawing, outlining straight lines, and creating curves, meeting various artistic needs -High durability: made from good and robust materials, ensuring long-term use without damage, making your drawing tools more dependable -Convenient portability: lightweight and easy to carry, allowing you to draw anytime, anywhere, making your creative process more flexible Package list: 3 x Painting Pens