Universal pen for almost all surfaces. Suitable for overhead projections and labeling CDs/DVDs. Excellent smudge and water resistance on nearly all surfaces. Dries in seconds, making it ideal for left-handed users. Features permanent, odorless ink with lightfast colors: black and brown. Weatherproof black ink. Comes in a STAEDTLER stand box. The PP casing and cap ensure a long lifespan. The DRY SAFE technology allows the pen to be left open for days without drying out. Airplane-safe with automatic pressure equalization to prevent leakage during flights. Contains xylene- and toluene-free ink for outstanding color brilliance. Line width S - super fine (approx. 0.4 mm). Refillable.