Sketch, write, draw, and design with Nexus Precision Art Pens. These liquid ink pens possess a rich, pure pigmented ink that is lightfast, waterproof, acid free and of archival quality. The pens work beautifully with watercolors or as precise sketching tools.Nexus Precision Art Pens possess professional quality, fine point rollerballs that are skip-proof and smooth at any work speed and all sorts of wrist angles. The pens provide perfect laydown up to a phenomenal 20000 meters or more, a longer write-out
KOH-I-NOOR NEXUS ART PENS - Nexus is a liquid ink pen. Nothing in the barrel but rich, pure pigmented ink. Archival quality, lightfast and fine-line waterproof. Wonderfully opaque and dries fast. Professional quality fine point rollerball is skip proof and smooth at any work speed and all sorts of wrist angles. Acid and lignin free.