Fine pen with a metal-framed tip for writing and sketching. The long metal tip is ideal for use with rulers and templates. It features pigmented ink that is waterproof and lightfast, in accordance with ISO 14145-2. The pen is airplane safe, with automatic pressure compensation that prevents leaking during flights. It is erasable on drawing foil and can be painted over without bleeding. The PP shaft ensures a long service life, and the cap includes a metal clip.