TWSBI Diamond 580 Onyx (Black) Replacement Nib Unit
Replacement Onyx (Black) plated nib for the TWSBI 580 range of fountain pens. This is a genuine replacement nib, made in Germany from high quality stainless steel with black plating. Includes nib and feed in a holder assembly. Excludes collar and grip section.
The 580 nib assembly is easy to fit and can be done while the pen is inked:
- Unscrew the original nib and grip section from the barrel
- Slide off the original plastic grip and metal collar from the old nib
- Slide the original collar and grip onto the new nib unit
- Screw the nib and grip section back onto the barrel (hand-tight)
- 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.Â
Features:
- Genuine TWSBI 580 replacement nib assembly
- Stainless steel with black Onyx plating
- Smooth, consistent ink flow
- Tine alignment checked by our team prior to despatch
Nib Options:
Available in EF, F, M, B, 1.1mm 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.