AcroBall Pen contains an innovative advanced ink for out-of-the-ordinary writing flow & smoothness. Advanced ink combines the best of a ballpoint & gel for smooth writing & fast drying. Retractable & refillable, the AcroBall is equipped with a unique, comfortably textured grip so that it can be held well in the hand & a tungsten carbide nib that cannot be deformed & will not wear out. Ballpoint pen also features a fine point (0.7mm), black ink, white barrel & fashion accent colors.