• 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