The Filofax Classic Black 149000 erasable ballpoint pen provides smooth writing with gel ink and the advantage of being able to correct mistakes instantly. Equipped with a retractable mechanism and integrated eraser at the top, it allows you to erase the ink by thermal friction without damaging the paper. The elegant black body with a metal clip harmonizes perfectly with Filofax organizers and notebooks. Ideal for those who like to keep their diary and notes always clean and free of smudges.