Lanxivi Jinhao 650 Fountain Pen Bright Pearl Sea Shell Embossment Luxury Wooden Gift Box Set Nib Size : Iridium , Cap : Screw Type Take Cartridge : International standard ( Fit the Jinhao cartridges in our store ) Capped length 150mm , Posted length 185mm, Diameter 15mm & pen weight 40g Package : One pen & one removable converter (work with all bottle ink )