TWSBI Diamond 580 Replacement Nib Unit
Replacement nib unit for the TWSBI 580 range of fountain pens including pens with coloured grips. This is a genuine replacement nib, made in Germany from high quality stainless steel. Supplied as a nib unit assembly(nib feed on a holder) including the stainless steel collar and a clear grip section.
The 580 nib unit assembly is easy to fit and can be done while the pen is inked:
- Unscrew the original nib and grip section from the barrel
- Screw on the new nib and grip section (hand-tight)
- Option to switch the original grip onto the new assembly if the colour is different
- Check the nib is sitting square relative to the feed
Size Fine is the most popular for everyday writing, and the 1.1mm Stub for some subtle flair.
Features:
- Genuine TWSBI 580 replacement nib unit assembly
- Polished stainless steel
- Smooth, consistent ink flow
Nib Options:
Available in EF, F, M, B, 1.1mm and 1.5mm Stub.
Compatibility:
TWSBI 580, 580AL and 580ALR fountain pens.
Can also be made to fit the TWSBI Aurora, Draco, Kai and Obsidian by removing the original nib from the nib unit and sliding the new nib in.
Roughly #5.5 size, but not a standard interchangeable nib unit for other brands of nibs/pens.