- Can be dry-wiped from whiteboards and surfaces like glass and porcelainwithout leaving a trace- Fast-drying, low odour- Locked tip- Stand-up STAEDTLER box- DRY SAFE – can be left uncapped for days without drying up (Standardatmosphere according to ISO 554)- PP barrel and cap guarantee long service life- Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraft- Xylene and toluene-free ink- Linewidth approx. 2 mm- Refillable with refill station 488 51