These versatile ruling pens are designed for both beginners and professional artists. The adjustable feature allows you to DIY thickness, making them ideal for a wide range of artistic applications. Whether you're working on intricate illustrations or , these pens deliver consistent 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 -Innovative design: the adjustable straight line drawing pen with a duckbill tip offers precision and professionalism in your comic art -Efficiency enhancer: boost your drawing efficiency, saving time and energy, helping you finish your comic projects quicker -Wide application: good for drawing, outlining straight lines, and creating curves, fulfilling diverse artistic needs -Sturdy build: made from good and practical materials, ensuring durability and long-lasting use, making your drawing tools more reliable -Travel-friendly: lightweight and portable, easy to carry with you, enabling you to draw anytime, anywhere with ease Package list: 3 x Painting Pens