1PC Precision Line Pens Archival Artist Drawing I Brush Features: Great for technical writing and drawing pens for artists, writers, illustrators, students and teachers Black Ink, , water-based, pigment ink is smudge-proof and no bleed through. Available in multiple sizes: nib sizes 0.05mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm and brush nib Versatility: Ideal for Adult Coloring Books, Art Painting, Glass, DIY Photo Album, Black Cardstock, Sketchpad, Scrapbooking, Pottery, Wedding , Dark Paper, Greeting water-based pencil design hook line pen hand-painted comic strokes / office financial pen set , Archival quality ink for use in acid- environments, Chemically stable, with long lasting pigment inks for use Quick Dry, Not fade, Smooth. Assorted Size Tip Pens meet all the demands of your inking work. It can be used within a small range of colors and hook lines Great for writing, smooth writing, calligraphy. Experience smooth, writing pens and crisp archival ink that leave consistent lines every. Will not smear or feather when dry, does not bleed through most papers Widely applicable:Suitable for all uses such as writing, and Manga Illustrations, technical drawing, art drawings, line and wash, sketching. Suitable for desktop, home and office. tool for Architects, designers, illustrators, etc size：11x1.5cm Package included: 1 x Pens