• Brand ：Duke
• The fountain pen nib : Medium  Nib ( about 0.7mm )
• Cap : Push Type 
• Pen Material: Metal 
• Ink : International Standard , you can purchase cartridges by us store 
• Length(Approx): 132 mm ; Weight(Approx): 30 g ; Diameter: 12 mm
• Package : One pen and one ink refill converter .