HOUGA-M size (BLACK)[HOUGA] This is one of the traditional shape which is called "the ciger type". " HOUGA" means "sprout". It also means "germination" and "to emerge". We named "HOUGA" with our wish that our fountain pens bring something new amazing things to all our customers. Converter Cartridge are NOT included. The Pelikans converter is sold separately. > Click here! Ink Filling System Cartridge Converter International standard type Closed length 142 mm Cap Diameter