Faber-Castell NEO Slim Rollerball Pen - Black Matte and Rose GoldWhen it comes to design, young professionals and trend setters who keep pace with the times have specific expectations: they expect a sophisticated and modern look and a cool, smooth feel. This is where the NEO Slim comes in as it meets these very needs: The writing instruments in the series have an especially slim design. NEO Slim rollerball pen with particularly slim black matte barrel with rose gold trim. Reversible cap. Black refill with fast