The 400 and 405 designs are a diminutive 12.7cm in length, making them the second smallest in the Souverän range, perfect for writers who prefer the feel of a smaller pen. The 405 offers a palladium-plated silver variation to the globally revered Souverän 400. Three available finishes include two with Pelikan's distinctive striped barrels, a blue-black design and the 'Stresemann', named after the stylish anthracite pinstripe suits of the Nobel Peace Prize winning foreign minister, Gustav Stresemann. Also available as a solid black finish of high grade resin.The striped material that makes up the distinctive barrels of the Souveran range is composed from a celluloid cotton base using a formula developed specially for Pelikan. The layers are slowly built up over months before being sliced and shaped using a natural diamond.The resin cap features characteristic double rings precisely integrated to present a seamless transition between materials. The glossy barrels are complemented to great effect by palladium-plated silver metal accents, setting them apart from the 400 range. The clip of the Pelikan represents a beak, another characteristic unique to this historic manufacturer; one of the oldest trademarks in Germany.Pelikan especially pride themselves on their expertise in creating nibs, inks and feeds; their mastery over these essential components enables them to create fine-writing instruments of the highest quality.. The Souverän M405 fountain pen features an 14-carat rhodium-plated gold nib hand written-in before leaving the factory. The pen features an ink view window and uses a differential piston fill mechanism constructed from brass. Available in four nib widths: EF, F, M, B. Also accepts standard ink cartridges.