Refill Format: Standard Ballpoint; Refill For Series: Zebra® F-301® Ballpoint Pens, F-301A® Ballpoint Pens, F-301® Ultra Ballpoint Pens, F-402® Ballpoint Pens, F-701® Ballpoint Pens, Spiral Ballpoint Pens; Refill Ink Color: Black; Color Family: Black.