This Frixion Ballpoint Pen Refill 0.7 mm Blue 3-pack provides blue ink, 0.7 mm point, 3-pack for reliable everyday writing and refill replacement. It is suited for Frixion Ball and 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 Ball and Clicker erasable pens. Extra-fine 0.7 mm tip. Thermosensitive ink. Erasable by friction. Pack of 3. Blue.