The Sakura Pigma Micron 3pc Set Black 01, 03, 05 offers an essential selection of precision fineliners featuring 01 (0.25mm), 03 (0.35mm), and 05 (0.45mm) nib sizes for crisp line variation. Filled with iconic, archival-quality Pigma pigment ink, these pens deliver chemically stable, waterproof, and completely fade-resistant results on any drafting surface. The specialized formula dries rapidly to prevent smudging while ensuring the ink will not feather or bleed through even the thinnest papers. [1, 2, 3, 4]