The Diamond 580 Nib Set
This is the replacement nib set for the TWSBI Diamond 580 Fountain Pen.
These are easy to change and you can choose from Extra Fine, Fine, Medium, 1.1 Stub or Broad Nib and the replacement nib comes in an easy holder case for storage when not in use.
TWSBI fountain pens come packaged with a wrench and silicon grease. These are not required to use and enjoy your pen. They are meant for long term maintenance by experienced fountain pen users who wish to disassemble their pen for cleaning.
Learn how to use and care for fountain pens with our guides.