Pilot Iroshizuku Shin-kai Ink Cartridges (Box of 6) Brand_Ferris Wheel Press The refill is extended with

The refill is extended with the simple spring-loaded twist mechanism

They are also pre-packed to be given or sent as gifts

Its slim profile ensures your pen stays secure without adding bulk to your bag or pocket

and unforgiving to work with

Pilot Iroshizuku Shin-kai Ink Cartridges (Box of 6) Brand_Ferris Wheel Press The refill is extended withPilot Iroshizuku Shin kai Ink Cartridges (Box of 6) offer the sophisticated deep blue grey of Shin kaimeaning deep sea in Japanesein a convenient cartridge format. This rich, muted shade provides excellent shading, smooth flow, and a refined writing experience, perfect for both professional and personal use. Designed for Pilot fountain pens, these premium water based ink cartridges ensure easy installation, clean handling, and consistent performance.