Genuine replacement nibs for the TWSBI fountain pens. A complete assembly of nib/feed/collar mounted in a transparent gripping section.
To replace the nib on your TWSBI fountain pen, empty and clean the pen then unscrew the front section from the barrel. Replace with the new nib section and gently screw in until hand tight. Replace the original nib in the canister for safe keeping.
If your pen has a coloured front section (ie not transparent) you will need to remove the nib from the section. This is very easy as it pulls straight out but make sure the o-ring stays with the nib/feed assembly. Follow the instructions provided with your pen.
For more detail on TWSBI nib compatibility visit our information pages.
replacement nib for Diamond mini complete screw-in assembly easy to fit
Number 6 size Made by JoWo Only fits the Vac 700 version DO NOT use for Vac 700R Comes in handy canister that keeps it safe when not in use
replacement nib for Diamond 580 complete screw-in assembly easy to fit
Number 6 size Made by JoWo Only fits the Vac 700R version DO NOT use for Vac 700 Comes in handy canister that keeps it safe when not in use
replacement nib for Diamond 530 and Diamond 540 models complete screw-in assembly easy to fit
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