Sakura Ballsign iD Ballpoint Pen Refill – Gel Ink Black Tones

A refill, yes—but one that preserves the quiet character of your chosen black. The Sakura Ballsign iD Ballpoint Pen Refill ensures your pen continues to deliver its signature smoothness and subtle tonal depth, without any compromise in performance.

Designed specifically for the Ballsign iD series, it maintains that refined gel ink flow—clean, consistent, and pleasingly precise. Whether you favour a softer shade or a deeper, more assertive black, the experience remains reassuringly familiar: controlled lines, no skipping, and a finish that feels just right on the page.

In short, it allows your pen to carry on exactly as intended—no fuss, no deviation, just dependable writing.

Precision in the Details: