Erich Krause Marathon 0.5mm Rollerball Pen, Black

This classic rollerball pen with a standard tip features a lightweight, round plastic barrel and a transparent, ventilated cap. It features a nibless ink supply system with a flow regulator, allowing for both horizontal and vertical writing. The 0.5 mm tip, combined with quick-drying, permanent ink, provides an exceptionally soft, fine, and clean writing experience. The pen offers a continuous line length of 1,200 m with a 0.4 mm tip thickness, a remarkable achievement in its category.