TWSBI Diamond 580 Fountain Pen - Red Blue Transparent (RBT) Nib Size:Broad generous ink flow

generous ink flow

Daily office use where comfort and reliability matter

making every piece a unique collectible

This pen accepts only original Sailor converter and cartridges

Inspired by traditional iron gall ink formulations

TWSBI Diamond 580 Fountain Pen - Red Blue Transparent (RBT) Nib Size:Broad generous ink flowTWSBI Diamond 580 Fountain Pen Red Blue Transparent (RBT) Piston Fill Demonstrator Fountain Pen For fountain pen enthusiasts who love watching their pen work as much as writing with it, the TWSBI Diamond 580 in Red Blue Transparent (RBT) is a standout. This demonstrator style fountain pen combines a crystal clear body with bold red and blue accents, letting you see the piston filling mechanism in action every time you write. If you're searching for a