- 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