Classic Sport Ball PenAll black everything our black ball pen performs brilliantly in any situation. The colour can be combined elegantly and classically with various notebooks, papers and other accessories. The birth of the Kaweco Sport was back in 1911. The Classic series must not miss the writing system ballpoint pen. It has a length of 10. 5 cm and works with a high quality heart curve mechanism. It works particularly precise and does not click when the push button is