Pilot Frixion Ball Point Knock 4-Color Gel Ink 0.5 Multi-Pen (4 INK) Black Body
Pilot FriXion Ball Knock 4-Color Gel Ink Multi-Pen. Its thermo-sensitive ink allows for clean erasures and revisions, making it ideal for dynamic workflows. Erasable Gel Ink – Writes smoothly and erases cleanly with friction (heat).