-Fineliner for writing, sketching and drawing
-Pigment ink, indelible (in accordance with ISO 14145-2), lightfast, waterproof on paper
-CAP OFF - can be left uncapped for at least 12 hours without drying up (only black ink)
-Erasable when used on drafting paper, no bleeding when high-lighted
-Long metal tip, ideal for use with rulers and templates
-PP barrel guarantees long service life
-Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraft
