Diplomat Ink Cartridge Set Roller Ball Pen A unique feature of this

A unique feature of this model is the spring-loaded piston

budding artists can express their creativity wherever they might find themselves

or travel notes

and examinations

The acid-free paper helps prevent yellowing and deterioration over time

Diplomat Ink Cartridge Set Roller Ball Pen A unique feature of thisThe Diplomat Ink cartridge set includes black and blue ink cartridges, designed for smooth, consistent, and reliable writing. Made for Diplomat fountain pens, these cartridges ensure clean ink flow and rich colour output without blotting or skipping. Ideal for everyday writing, office use, and journaling, they are easy to install and provide a mess free refilling experience. A perfect choice for those who appreciate quality writing with classic ink