Rollerball Capless System Refill Cartridge Medium Mystery Black

Enjoy smooth writing with this rollerball refill cartridge for capless pen systems. The medium point in Mystery Black keeps your writing neat and consistent, whether for notes, letters, or daily lists. As a British stationery essential, this refill is a simple way to keep your favourite capless pen in use. Swap in a fresh cartridge and continue with the familiar rollerball feel you expect from a reliable UK writing product.

• Designed for capless rollerball pens as a direct refill.
• Medium point size suits everyday writing tasks.
• Mystery Black colour provides dark, readable ink.