The rollerball in the color navy impresses with a deep, saturated blue. The color name was coined by the dark blue uniforms of the British Royal Navy officers of the 17th century. It makes us dream of the vastness of the sea and promotes our inspiration. Kaweco Sport has been around since 1911. The rollerball for the bag has a size of only 10.5 cm when closed and grows to a normal size of 13 cm with the cap attached. The invention of the rollerball enables particularly easy and gliding writing. In this process, the gel flows uninterruptedly over the ceramic ball onto the paper surface. We are particularly proud of the extraordinarily soft writing feel of our rollerball system. We offer high-quality refills in blue and black with a line width of 0.7 mm. As an upgrade for your rollerball, our slide-on clips are available in gold, silver, bronze and black. ...