Features: Professional water-based waterproof pencil design hook line pen hand-painted comic strokes / office financial pen set Non-toxic, quality ink,waterproof with long lasting vibrant pigment inks for use Quick Dry, Not fade, Smooth Skip Free. 10 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 essay writing, smooth signature writing, calligraphy. Experience smooth, skip free writing pens and crisp archival ink that leave consistent lines every time. Will not smear or feather when dry, does not bleed through most papers. Widely applicable:Suitable for all uses such as writing, Cartoon, technical drawing, art drawings, line and wash, sketching. Suitable for desktop, home and office. Perfect tool for Architects, designers, illustrators, etc Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Specification: Size:Length:138mm Diameter: 10mm Nib Size:0.05mm,0.1mm,0.2mm,0.3mm,0.4mm,0.5mm,0.6mm,0.8mm,1.0mm,2.0mm Package List: 10x Drawing Pens