The J. Herbin Six Ink Cartridges in a cylindrical Tin are made for fountain pens and rollerballs.

• J. Herbin brand is the oldest name in fine pen inks in the world. 
• Neutral pH (non-acidic)
• Fast-drying
• These  universal cartridges fit most fountain pens or rollerballs.
• Six cartridges neatly and securely packed in cylindrical metal tin.