This set of Rotring Isograph Technical Drawing Pen Nibs offers a range of sizes to choose from. Perfect for those who need precision when drawing, these pens are designed with a smooth, ink-free tip that ensures clarity and accuracy. The nibs are available in various sizes, making it easy to find the perfect fit for your needs. Whether you're a professional designer or an artist, these pens are sure to impress. They're made by rOtring, a trusted brand that's known for their high-quality products. So why wait? Add this set of Rotring Isograph Technical Drawing Pen Nibs to your collection today and experience the difference for yourself.