Pen Refill - FriXion Erasable Pen - 0.5 mm, Black is a practical writing instrument for offices, schools, reception areas, home offices and supply rooms across Canada. Extra-fine 0.5 mm tip. Thermosensitive ink. Erasable by friction. Refillable. Black. Key details include 0.5 mm point, black ink or finish. It is suited to everyday note-taking, forms, labels, meeting notes and classroom or workplace writing tasks.