At first glance, the Supra looks like a jumbo version of the popular Liliput, complete with a sized-up #6 steel nib. But the Supra has a unique trick up its sleeve. The barrel includes a special connecting piece that can be added or removed to change the length of the pen by 3 cm (1.2"). With the piece installed, the Supra is a full-size pen that can hold a standard international converter, one standard international long ink cartridge, or two standard international short cartridges. Without the piece installed, the Supra is about the same length as a Liliput and can hold a single standard international short cartridge.