Handy-sized marker with two tips for writing and marking on almost all surfaces.Excellent smudge-proof and waterproof qualities. Dries in seconds, therefore ideal for left-handed users. Colour-intensive, low-odour.Black is lightfast and weatherproof. Locked tip,PP barrel and cap guarantee long service life. DRY SAFE – can be left uncapped for days without drying up (Standard atmosphere according to ISO 554) Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraft. Linewidth F approx. 0.6 mm and M bullet tip 1.5 mm.