TWSBI Diamond 580AL (Aluminum Smooth Front Section cover) Fountain Pen
TWSBI Diamond 580AL (Aluminum Smooth Front Section cover) Fountain Pen
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Our ever popular 580 now comes with aluminum parts.
580AL New aluminum machined grip, connector, and piston rod.
TWSBI Diamond 580's nibs are designed to be interchangeable. You can easily replace the nib unit by unscrewing the existing one and screwing a new one.
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The pen itself is a quality product. No flaws in the plastic, the piston filling mechanism functions properly, but the ink flow and nib have issues. The nib has misaligned tines out of the box, and even after tuning and polishing it’s extremely scratchy, beyond what one would call feedback and has very poor ink flow. I’m using a wet ink as well, and it’s like the feed can’t keep up. I’ve ordered a medium nib direct from TWSBI to see if that rectifies the issues I’m having.