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Kaweco Steel Nib for Kaweco fountain pens. The nib is made from stainless steel and is available in 5 different sizes. Sizes: Extra Fine: 0.5 mm F...

Twsbi Diamond 580 Nib Set is designed for 580 models but also fits previous generation 540 & 530 models. The package includes the nib and easy ...

Twsbi Diamond Mini Nib Set fits Diamond Mini Fountain Pens. The package includes the nib and easy holder case for storage. This nib is designed to ...