Set of 10 Pigma Micron Black Edition Sakura calibrated markers Calibrated fine-liner technical markers, with pigma ink that combine pigments and water. Designer's favorite pointed toe available in a special edition in black. They are waterproof and permanent, light resistant and quick drying. Perfect designers, scientists, archivists, manga artists, cartoonists, illustrators and hobbyists. Ideal for creating technical and artistic drawings. Recommended for Zentangle. Set contents: - 1 gift felt case. The case is durable and sustainable, made from post-consumer polyester. It features a dark gray heather texture, a snap closure, and an elegant sewn-in Sakura label.  - 10 Pigma Micron no. 003 (0.15 mm), 005 (0.2 mm), 01 (0.25 mm), 02 (0.30 mm), 03 (0.35 mm), 04 ( 0.40 mm), 05 (0.45 mm), 08 (0.50 mm), 10 (0.60 mm) and 12 (0.70 mm). Brand: Sakura.