This pack of rOtring Isograph ink cartridges in black is ideal for those who prefer a traditional method of writing or drawing. The high-quality ink is compatible with a variety of fountain pens and is designed to provide smooth and consistent results. Each box contains five short cartridges, making it easy to keep your favourite pen topped up and always ready for use. Whether you're an artist or simply someone who enjoys the feel of a fountain pen in your hand, these rOtring Isograph ink cartridges are an excellent choice. The black ink is rich and dark, providing a striking contrast against any paper, while the short design ensures that your pen remains lightweight and easy to control. So why not try them out for yourself and experience the pleasure of using a quality fountain pen?