The Pilot has been manufacturing its own inks in Japan.  The name "Iroshizuku" is a combination of the Japanese words "iro" (colouring) expressing high standards and variations of colours and...

The Pilot Iroshizuku Ink Cartridge Fuyu-Syogun is a grey fountain pen ink cartridges. A personification of the harsh and cold winter, this shade of gray is a nod to the...