These refills are compatible with Pilot FriXion Synergy Knock 0.5 mm Gel Pen - Erasable
"IRO" is the Japanese term for "colors". At our stationery store, we offer a diverse selection of notebooks, planners, sketchbooks, loose-leaf binders, pens for study, paint, calligraphy and manga, masking tapes, stickers, and other stationery items.
We are based in Auckland, New Zealand, and our goal is to supply our customers with top-quality stationery from Asia and Europe.