TWSBI Diamond 580AL Piston Fountain Pen Iceberg | Stub 1.1 mm
TWSBI
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New aluminum machined grip, connector, and piston rod.
The TWSBI Diamond 580AL Iceberg brings a fresh breeze to the world of fountain pens. Compared to its predecessor, the 540, this model has been thoughtfully refined in many small but important ways: the grip section now feels even more comfortable in the hand, and the end cap has been redesigned for improved handling.
There have also been technical upgrades – the 580 holds about 30% more ink than the earlier 530 model, making it especially practical for frequent writers. The cap thread mechanism has been re-engineered as well, offering noticeably smoother and more precise operation.
These carefully considered improvements highlight TWSBI’s commitment to quality and functionality – even in the smallest details. The result is a reliable everyday companion that looks great and writes beautifully.
Which nib suits your writing style?
EF (Extra Fine): For very small, precise handwriting.
F (Fine): The most popular everyday choice – versatile and smooth.
M (Medium): Ideal if your handwriting is slightly larger.
B (Broad): Perfect for bold accents, headers, or signatures.
Stub 1.1 / 1.5: Offers a calligraphic flair – perfect for invitations or creative writing projects.