1PC Precision Micro Line Pens Waterproof Archival Artist Drawing I Brush Features: Great for technical writing and drawing pens for artists, writers, illustrators, students and teachers Black Ink,Non-toxic, 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, Rock Art Painting, Glass, DIY Photo Album, Black Cardstock, Sketchpad, Scrapbooking, Pottery, Wedding Craft, Dark Paper, Greeting Professional water-based waterproof pencil design hook line pen hand-painted comic strokes / office financial pen set Non-toxic, Archival quality ink for use in acid-free environments, Chemically stable, waterproof with long lasting vibrant pigment inks for use Quick Dry, Not fade, Smooth Skip Free. 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 and Manga Illustrations, technical drawing, art drawings, line and wash, sketching. Suitable for desktop, home and office. Perfect tool for Architects, designers, illustrators, etc size：11x1.5cm Package included: 1 x Pens Product Name:Sta8050 Needle Tube Pen Hook Line Pen Sketch Pen 0.05 Package Includes:1x Sta8050 Needle Tube Pen Hook Line Pen Sketch Pen Colors:Multi-color Material:plastic Due to the different display effect of the monitor, the color may have a little error, but will not affect the normal use. Please understand, thank you.