TheFireblueSupra is the larger version of the Kaweco Liliput and includesa sized-up #6 steel nib, as well asan extender that can be added to change the length of the pen by 3 cm. With theextenderinstalled, the Supra is a full-size pen that can hold a standard international converter or cartridge. Without the extender, the Supra fits a mini converter.

The Fireblue Supra fountain pen is made of high-quality stainless steel and then hand-blued, whichmeans thateach one is unique.TheSupracomes in a short tin box with a blue ink cartridge in the body of the pen, which is an. Optional Kawecoandare sold separately.