TWSBI Diamond 580 Spare Nibs Brand_Uni Retro colors available in a

Retro colors available in a 6 piece set

the Holiday Unicorno Series 4 Limited Edition Unicorno

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DIY 3D Wooden Puzzle Kit

TWSBI Diamond 580 Spare Nibs Brand_Uni Retro colors available in aSpare Nib Sets for Diamond 580 fountain pen Choice: EF, F, M, B, Stub1. 1 Will fit the previous generation 540 and 530 fountain pens. Easy holder case for storage when not in use. Quick and Simple changes between nibs. No hassle. A quick no brainer guide in choosing nib sizes in an overly complicated fountain pen world: If you write small, go with an EF For the normal writer, F is the most popular If you tend to lean on a bigger font, M will be