Iroshizuku Ink Cartridges - Ku-jaku (6 pack) rohrer-klingner The shading of the ink

The shading of the ink shows the diversity in a single ink

A collection of no less than 100 colours

This shade of blue was chosen by Nagasawa to represent the Sumaura area of Kobe

Petit3: Brush Pen) designed for portability and a fun writing experience

making it a perfect for drawing

Iroshizuku Ink Cartridges - Ku-jaku (6 pack) rohrer-klingner The shading of the inkPilot's Iroshizuku ink series requires no introduction. A staple in many collections, now available in cartridge format so you can carry spares on the go. Each pack contains 6 cartridges, each approximately 0. 9ml. The colour of the ink is also printed on the body of the cartridge so you will never forget what's what.