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A versatile fountain pen with a flex nib

We make good pens, fountain pens. With flex nibs. You can write with them everyday. Or create calligraphy, illustrations or journals. Designed with standardised, interchangable components. They’re crafted with passion. The perfect tool to enable your creativity.

Design philosophy

Our design philosophy is centered around allowing you to get your creativity onto paper. We want our pen to quietly enable this, not get in the way. 

Our pens are designed in London and manufactured locally in the UK.

Read about our story

Because components matter

We’ve very carefully designed and crafted the components that go into our pen. Each one purpose designed. Our pen will make you want to keep writing, keep sketching, keep journaling, keep going...

Nibs

Choose our flagship Fine Flex nib, or Untipped Calligraphy Flex nib. You can also opt for our Happy Medium. Or, use your own standard #6 nib.

Cartridge converter

We supply our pens with a Schmidt standard international converter. The rotate-to-fill mechanism makes filling easy and lets you prime your feed precisely for juicy swells and flex lines.

Nib units

Our nib units are standard Jowo #6 compatible, with a screw in thread. Easy to remove, take apart or clean. And, if it takes your fancy, easy to replace with your favourite Jowo nib unit. You can also choose our ebonite feed option if you need your pen to keep up with fast flex strokes. Or if you'd like your pen to write wet.

The Good Blue Fine Flex Nib Unit

Pen body

Our pens are machined from high grade 6082 aluminium and brass at a state of the art CNC facility in the UK. Tight tolerances and great balance let you get on with the business of putting ink to paper. No fiddly bits.

Instagram feed

Amateur attempts at calligraphy and sketching, product development updates and behind the scenes views. Use #thegoodblueco if you want to be featured.