This Pelikan 4001 ink in a bottle is suitable for many fountain pens with piston mechanisms or converters. The high-quality ink from Pelikan ensures a smooth color application and good ink flow. The long-lasting color of the 4001 ink is another essential feature of this writing ink. This violet ink cannot be erased or corrected with an ink eraser. Since the beginning of its company history, Pelikan has been producing ink and can thus look back on more than 180 years of experience in the production and development of high-quality ink. Quality made in Germany.