C-Series Carbon Black Selectip Rolling Ball Pen. Turbo-charged performance meets cutting-edge design. Industrial design detailing and finishes inspired by fine sport cars give this pen a high-tech look: chrome lug-nut appointments. The new capless, propel/repel Selectip® Rolling Ball Pen has a unique design that also allows for it to interchange to a Ballpoint Pen. A complimentary ballpoint refill is included with every Rolling Ball Pen for a choice of technologies.