ZIG Calligraphy marker pens are a water-based pigment, dual tipped, that are great for any level of calligraphers. They are lightfast, acid-free and even photo safe; even suitable for paper.
Calligraphy I has a dual tip with a narrow 2mm and a broad 5mm side, while Calligraphy II features a 2mm tip on one end and a 3.5mm tip on the other.
