The original fineliner with archival PIGMA ink is now available in Light Cool Gray and Cool Gray! Experience smooth writing, and crisp ink quality that delivers precise points and lines that are ideal for shading, layering and crosshatching. Details: Gray theme 4 different sizes 8 pens total Features Pigma brushWaterproof, chemical and fade resistantBleed-free, quick dryingpH neutral For sketching, drawing, and illustration Size Information: Micron 01 (0.25 mm) Micron 05 (0.45m) Micron 10 (0.60mm)