The Pigma® Micron is a fine-point drawing and illustration pen that utilizes the highest quality archival formula -known as Pigma ink. The Pigma Micron is ideal for archival recording, illustration, graphic art, scrapbooking, freehand manga drawings, and decorative fabric design. All Micron pens are non-smearing when dry, waterproof and chemical proof, fade-resistant, and don’t bleed through most papers. Meets ACMI non-toxicity standards. The 10 piece set includes 1 each: 003, 005, 01, 02, 03, 05, 08, 10, 12 & PN Black * Color: Black * Use: Pen * Size: 003=15mm, 005=.20mm, 01=.25mm, 02=.30mm, 03=.35mm, 05=.45mm, 08=.50mm, 10=.60mm, 12=.70mm, and PN=.45mm * Included: 10 pens per pack