- Extra soft tip does not damage sensitive CD/ DVD/BD surfaces- Ink does not penetrate into data storage layer- Excellent smudge-proof and waterproof qualities on almost all surfaces- DRY SAFE – can be left uncapped for days without drying up (Standard atmosphere according to ISO 554)- Dries in seconds, therefore ideal for left-handed users- Superb colour brilliancy, low-odour- Lightfast colour black- Xylene and toluene-free ink- Stand-up STAEDTLER box- Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraft- PP barrel and cap guarantee long service life- Line width superfine approx. 0.4 mm