TWSBI Diamond 580 Nib Set - Extra Fine Custom 823 Fountain Pens use a Noodler's mid blue

use a Noodler's mid blue

• A modern form calligraphy fountain pen

On a lot of papers it would be described as dark kharki green but sometimes portrays as black with a slight green tinge

TWSBI has taken the beloved Diamond 580 AL and miniaturised it

TWSBI Diamond 580 Nib Set - Extra Fine Custom 823 Fountain Pens use a Noodler's mid blueThis is a replace nib, feed and head piece for the TWSBI Diamond 580 Fountain pen in Extra Fine. 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. TWSBI Inspired by writing After 50 plus years as an OEM manufacturer for different global brands, Ta Shin Precision decided to start selling under their own brand, and thus TWSBI was born. TaShin