This Frixion Ballpoint Pen Refill 0.5 mm Red 3-pack provides red ink, 0.5 mm point, 3-pack for reliable everyday writing and refill replacement. It is suited for Frixion Point and Point Clicker erasable and helps extend the life of compatible pens or markers. A dependable choice for office, school, reception, home office and commercial stationery supplies, For Frixion Point and Point Clicker erasable pens, Synergy series. 0.5 mm tip. Thermosensitive ink. Erasable by friction. Pack of 3. Red.