The ultra flex nib is okay at best
The ultra flex nib is okay at best. It’s mediocre in quality, Very tricky to use and if one is not careful will bleed ink substantially when flexing it.
By Ammar D.
Saturday, November 7, 2026 · Customer reviews of US businesses

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483 reviews
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Specializing in fountain pens and fountain pen supplies. We are family owned and operated and ready to serve.
Fountain Pen Revolution LLC (fprevolutionusa.com) has 483 customer reviews on The Fair Hearing, with an average rating of 4.7 out of 5.
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The ultra flex nib is okay at best. It’s mediocre in quality, Very tricky to use and if one is not careful will bleed ink substantially when flexing it.
By Ammar D.
Had to play with nib to get one of the pens to write.
By Robert S.