Micron Writing Pens - 6-pen set in assorted colors - (black, blue, red, green, purple, brown) - (no rose, orange, or yellow in this set but these can be purchased separately) - Micro pigment ink for waterproof and fade proof fine lines. Perfect for note-taking in your Precept literature. Will not bleed through thin pages. #1 Archival Ink - For acid-free environments. 005 - .20mm NIB. Product Number: 29061