Lanxivi Fuliwen Celluloid Fountain Pen Multiple Color Straight Line Patter Iridium M Nib Brand name : Fuliwen Length : 135 mm ; Nib : Iriudm M Converter Screw type ; Cap : screw Type Ink cartridge : international standard ; Pen Weight : 30G Package : One pen & one removable converter (work with all bottle ink )