TWSBI Diamond 580 Spare Nibs Nib Size:M Keep a higher brilliance by

Keep a higher brilliance by using original colors instead of mixing with other colors

inner mechanism

It is normal to have some small air pockets at the top of the converter

5-Pack Size: 5

Leatherette case designed to resemble vampire garb

TWSBI Diamond 580 Spare Nibs Nib Size:M Keep a higher brilliance bySpare 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