Jinhao Flying Dragon Fountain Pen Set with Real Black Leather Pen Case , 0.5 MM Nib Gift Pen ( Bronze ) The fountain pens nib : fine nib ( about 0.5 mm ) / Cap : Screw Type / Pen Material: Metal Ink : work with bottle ink and standard cartridges ( such as this ASIN : B01FJAAEUQ ) . Length(Approx): 130 mm ; Weight(Approx): 70 g ; Diameter: 13 mm Package : 1 x fountain pen , 1 x black leather pen case and 1 x refills converter for bottle ink / Please Note : The fountain pen Not included ink cartridges . If any problems caused , please don't hesitate to contact us, we will try our best to help you solve the problems .