Another Fountain Pen Friday, another Fountain Pen 101. Welcome back! This time I’m covering nibs. Let me start out by saying that this is an introduction to nibs. I’ll cover nib customization (yes, that’s a thing) later.
Overview
Your average fountain pen is going to be available in one of the following nib sizes: Extra Fine (EF), Fine (F), Medium (M), Broad (B), Double Broad (BB), and Stub (usually 1.1mm or 1.5mm, although 1.9mm does exist). You do occasionally come across Oblique nibs (similar to a stub, but cut at an angle), but they’re far less common and typically found on specialty pens.
Some pens, especially from indie pen makers, utilize standard #5 or #6 nib units from Bock or Jowo. That means you can purchase other nib units of the same size and manufacturer and swap them out. It’s like giving your pen a mini makeover.

Something to keep in mind when selecting a pen is the origin of its manufacturer. Japanese nibs tend to run 1-2 sizes thinner than Western nibs. So if you like a M Lamy, you’d probably want a B Platinum. JetPens (yep, them again) have a great post on the various nib sizes and differences between Japanese and Western nibs.













Bertram’s holds a special place in my heart as the store where I bought my first fountain pen. It was a red-nibbed Platinum Preppy 05. I don’t have a picture of mine, as it sadly disappeared in my recent move, but I did find
The next time I visited, I picked up a Lamy Safari Dark Lilac, completely oblivious to the fact that I was buying a special edition. I just knew I liked the color and feel of it. I also picked up bottles of Diamine Meadow and Diamine Aqua Lagoon because they were beautiful, bright colors. I’ve since learned that just because a color is pretty doesn’t mean it will make a good writing ink. Meadow hasn’t gotten much use because a full-page of it can be hard on the eyes. 
