This EnerGel Gel Pen Refill 0.7 mm Violet provides violet ink, 0.7 mm point, single refill for reliable everyday writing and refill replacement. It helps extend the life of compatible pens or markers while reducing the need to replace the whole writing instrument. A dependable choice for office, school, reception, home office and commercial stationery supplies, Metal tip. Gel type ink. Sold by each.