Using a piston system that you fill by using a pipette, we have developed a closure system for the Nexus that ensures a tight separation between the barrel and the nib unit. With this closing system we ensure perfect leak protection, even on the plane. The high capacity of the ink, which corresponds to more than 7 ink cartridges, is also worth the pen. A special storage case with an easy-to-use filling set was developed for a great experience. Nexus, unique locking system and a capacity of approx. 7 ink cartridges. All metal casing. Blue or black anodized. All metal clip. Panel/window to check the ink capacity. Filling via the included pipette and ink bottle. Capacity approx. 7 ink cartridges. Fountain pen with fine chisseled, polished 14 ct gold nib. Screw cap. blue Suitable for left- and right-handers. without cartridge or converter 1 Fountain pen with 14 ct gold nib, 1 ink pot blue, 2 pipettes, gift box, descrition and warranty card The latest writing instrument from Diplomat, th