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 e.g. Mars 572 FL
PP barrel guarantees long service life
Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraft