Pentel Sign Pen Felt Tip Marker S520-P, Pink Ink, Fine Tip. Fiber-tipped sign pen offers a durable tip that is excellent for sketching and coloring. Pen delivers expressive lines for a bold, robust signature. Generous supply of vivid, water-based ink lasts for 985 yards or 900 meters. Ideal for use in the home, or studio by artists, designers, and anyone who enjoys writing or drawing.