The Pigma Permanent Ink Pen set includes two precision tips measuring 0.3 mm, designed for detailed and consistent writing or drawing. Utilizing archival-quality, waterproof, and fade-resistant ink, these pens ensure your work remains sharp and long-lasting on a variety of surfaces. Ideal for technical drawings, scrapbooking, or intricate illustrations, they offer smooth ink flow and quick drying times, making them essential tools for artists, designers, and professionals seeking reliability and expert-level performance in their permanent ink supplies.