S.T. Dupont Défi Ballpoint Pen-Black MatteThe S. T. Dupont Dfi Ballpoint Pen is the highest performing and most precise pen of its generation. Designed as a truly sophisticated object, like a fighter jet, its dynamic, vigorous and elegant design makes it both contemporary and masculine at the same time. Its innovative and unique construction combines a high precision injected metal time frame, finished in palladium. Never before has a pen provided you with such an intense and rapid gliding