Craft Solid Colletion Classic Niello Style Dragon Fountain Pen F Tip with Piston Style Filler comes without Ink Si Mu Ting Ding Archaistic Ancient Cooking Vessel Zoohot Fountain Pen, The cap: Screw type L*W*H5.59*0.62*0.62 inches14.2*1.6*1.6 cm Take Cartridge : International standard ( Fit the cartridges in our store ) Package : one pen & 1 removable converter (work with all bottle ink ) This is a wonderful gift for your family, classmate, teacher, or colleague.