The AL Sport rollerball ingreyis a real treat to hold.The silky shiny surface looks cool and elegant.A perfect accessory for everyday use in the office, everyday life and leisure. The Kaweco Sport has been around since 1911. The rollerball for the pocket measures only 10.5 cm when closed and grows to a normal size of 13 cm with the cap on.The invention of the rollerball made writing particularly easy and gliding.The gel flows uninterruptedly over the ceramic ball onto the paper surface, creating an exceptionally soft writing experience. Refill: Any Parker style ballpoint or gel refill