Jinhao X450 Vivid Fountain Pen Medium 18kgp Nib Medium Nib Size : Medium Gold Plated , Cap : push type Capped length 138mm , Posted length 164mm , Diameter 13.5mm & pen weight 45g Take Cartridge : International standard ( Fit the Jinhao cartridges in our store ) Package : One pen & one removable converter (work with all bottle ink ), Ink cartridges are not included for safety , you may refer to the matching cartridges at ASIN B00W01VCJA 100% Satisfaction Guranteed : If there is any reason you do not like the pen ,just send us a message ,we can offer you a full refund or replacement !