Rohrer & Klingner Ink – Blau Permanent (Permanent Blue) Rohrer & Klingner continues its long tradition in producing inks with this assortment which also includes ferro-gallic inks. In addition to the classic colors, there are now new colour tones which were developed specifically with calligraphy in mind. Rohrer’s writing inks are perfect for fountain pens, steel nibbed pens, dip pens and other writing utensils which are used in calligraphy. Pleasant, high-quality dyes which are processed into the individual tones reveal a balanced intensity of colors in addition to the high brilliance in the ink.
