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Pen Review: Revisiting the Pilot FA Nib, This Time on the Pilot Custom 743 Verdigris Green

May 6, 2026

Back in 2017, I reviewed Pilot’s FA nib on the Custom 912 fountain pen, and while I came away from that experience impressed with the amount of flex that the nib offered, I couldn’t use it as an everyday writer. Personally, I’ve never “chased flex” in fountain pens - either vintage or modern - as I’m not a calligrapher and I don’t typically draw or otherwise practice lettering. That said, I do occasionally enjoy a soft fountain pen nib, such as when I want to journal in cursive or explore different inks. I’ve already written about how much I enjoy the soft fine-medium from this year’s Custom 74 “Lavender Fog” North American Exclusive, and I’ve also come to appreciate the FA nib on the larger Custom 743.

Pilot Custom 743 vs. Pilot Custom 912: Not the Same Nib

But isn’t Pilot’s FA nib the same on either pen? No. When we hosted our unfortunately-weather-abbreviated store event back in January, I had the opportunity to compare the FA nibs on the Custom 912 and Custom 743 side-by-side. Those who prefer a much softer and wetter writing experience closer to a true flex nib should opt for the Custom 912, whereas those who - like me - do more standard writing should probably choose the Custom 743. The two pens have different nibs, with the Custom 743 featuring a stiffer nib that also appears on the Pilot Custom 823.

The top writing sample (in Sailor Ink Studio 670) was done with the Pilot Custom 743 FA nib. The bottom writing sample was done with a Custom 74 Lavender Fog with a Soft Fine Medium (SFM) nib, in Tono & Lims Deep Field Laniakea.

What I Enjoy About My FA Nib and How I Use It

I chose this pen, and the FA nib in particular, for several reasons. First of all, this Pilot Custom 743 is a North American exclusive in Verdigris Green, and I wanted to be sure to get one before they are inevitably discontinued. In my mind, this special pen needed a fun nib, and after trying the Custom 743 version of the FA, I knew that I’d be able to use it regularly, even if not as an everyday writer. I’ve had this pen inked for two months, and here’s how I’ve put it to work:

  • Handwriting Improvement. One of this year's goals is to practice my cursive whenever I can, and it’s much more fun to do that with a nib that has some bounce to it and offers good line variation. With just light pressure, you can vary the line width of your up- and down-strokes, though I can’t overemphasize that like the “soft” nibs on the Pilot Custom 74, the FA nib should not be overflexed. It is possible to spring these nibs and cause irreparable damage. While I’ve not done any sort of scientific measurement, I would estimate that you can safely vary the line width on this pen 2-3 nib sizes (i.e., extra-fine to medium, or fine to broad).

  • Exploring Ink. The other benefit to line variation is that it can bring out the special properties in fountain pen ink, especially shading and shimmer. I’ve never focused as much on ink as I have on pens and paper, but since I receive more questions on ink these days (particularly in-store), I’ve felt the need to broaden base of knowledge on how different inks work in different pens, and with different pen and paper combinations.

  • Testing Paper. Similarly, in my line of work I need to know what kind of paper holds up well to wetter nibs, and how far I can push certain papers to the point where they will start to feather or bleed. You can really test just how “fountain pen friendly” certain paper is by pairing wet inks with soft nibs, even if sometimes the point of failure is well past what most people require for everyday use.

Chasing Nibs and Not Necessarily Pens

I remarked in last week’s post that over time, the focus of my pen use/collecting has reoriented towards nibs rather than pens. Sure, it’s fun to collect a new custom material or a favorite model in a new color, but most of my personal purchases over the past two years have been driven by whether the nib offers a unique writing experience. My current collecting “grail” is to fill out a set of all the Pilot specialty nibs over time, in unique pens if possible. Recently I’ve added the FA pictured here, and I’ve also been loving the WA (Waverly) nib as a smooth everyday writer. Just wait until you read the recap from my upcoming trip to Japan, because this collection is about to get a lot bigger. :)

Further Reading

You can read more about the Pilot Custom Series, including different nib options, in this overview of the various Pilot “Custom” models. As we’ve grown our own store, we offer many of these Pilot pens directly, including certain Custom series models, and we have a couple of the Verdigris Green Custom 743s remaining in stock as of the time of publication.

The Gentleman Stationer is supported by purchases from the T.G.S. Curated Shop and pledges via the T.G.S. Patreon Program. You can also come visit us at our physical stationery store in Nashville, Tennessee.

In Pens Tags Pilot Custom 743, Pilot FA Nib, Pen Review
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