TWSBI Diamond 580AL Fountain Pen in Iceberg Blue Color__Silver__rotring-600-series-silver-ballpoint-pen you can simply swap the

you can simply swap the nib by unscrewing the nib unit from the section and screwing in this replacement nib

Herbin anniversary ink is called "Caroube de Chypre" (Cyprus Carob) because of its deep brown color

Designed to thoroughly clean most fountain pens that take standard international ink cartridges

Smithsonian logo on top ring

TWSBI Diamond 580AL Fountain Pen in Iceberg Blue Color__Silver__rotring-600-series-silver-ballpoint-pen you can simply swap theThe TWSBI (commonly pronounced "twiz bee") Diamond 580 is the 21st Century interpretation of a classic writing instrument. While most of our modern communication devices lack transparency and customization, the TWSBI Diamond 580 excels with a transparent resin construction that can be disassembled using the included wrench. The Diamond 580 represents the fusion of a traditional fountain pen with a modern industrial design. The result is an eye