The Pigma Permanent Ink Pen Set features two precision 0.5 mm tip pens engineered for detailed and consistent lines. Utilizing archival-quality, waterproof, and fade-resistant pigment ink, these pens ensure your work remains vibrant and smudge-free over time. Ideal for artists, illustrators, and professionals requiring reliable permanence, the fine tip supports intricate drawing, technical writing, and note-taking with exceptional clarity. This set provides superior ink flow and quick drying performance, making it an essential tool for any detailed work demanding accuracy and durability.