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