6 Packs: 6 ct. (36 total) Pigma® Micron™ 01 Fine Line Black Pens

Black Size 01 (0.25 mm) 6 packs (6 pens per pack, 36 total pens) Does not feather or smear when dry Will not bleed through most papers Waterproof, archival quality, permanent, fade- and chemical-resistant Pigma ink