With its hexagonal shape and feel, the Faber-Castell Hexo fountain pen brings an entirely new perspective to the world of creative writing. The Hexo Fountain Pen features an anodized aluminum barrel in a sophisticated bronze color. The anodizing treatment forms a protective outer layer of oxide that gives the pen its special color and makes it even more robust. The pen features a smooth flowing stainless steel nib in complementary black. It is equipped with a cartridge/converter system and is fitted with 1 royal blue ink cartridge. Converter sold separately. Iconic Faber-Castell Jousting Knights are embossed and prominently displayed on the top of the detachable cap. The cap features a stable lacquered metal clip in black. It easily pulls off and posts on the back end of the pen while writing if desired. The pen has a balanced weight with and without the cap.