The LUMOCOLOR 313 OHP Pen Perm 0.4 SWZ is a high-quality permanent marker specially developed for labeling overhead projection transparencies. With its fine 0.4 mm tip, it enables precise writing and drawing on transparent surfaces. The black pen contains pigmented ink that is waterproof and quick-drying. This ensures that your labels won't smudge or smudge. The marker is lightfast and remains legible even after extended periods. Thanks to its high opacity, you can easily label even darker surfaces. The pen features a practical clip cap that allows it to be easily attached to a notebook or clothing. The LUMOCOLOR 313 OHP Pen Perm 0.4 SWZ is the ideal choice for anyone who wants to achieve professional results on overhead projection transparencies. Whether for presentations, meetings, or workshops, with this marker you always have a first-class writing instrument at hand.