The Precision Pen 5 Pack by American Crafts is the perfect pen set for writing, journaling, doodling and high-detail design. 5-piece set comes in .01, .03, .05 and .08 tips and writes in never-fade ink that is water-proof and non-bleeding. Whether you're journaling, scrapbooking, or making a creative masterpiece, this is the pen to fit your needs. These incredible pens write in permanent, quick-dry ink and are acid-free and archival safe. The ink in Precision Pens is also specifically formulated to produce ultra-smooth lines no matter how fast or slow you write them.