Kaweco's classic octagonal-shaped pocket fountain pen in black plastic, with four calligraphy nibs: 1.1mm, 1.5mm, 1.9mm, and 2.3mm. Only 4 1/8" long capped, 4" long uncapped, and 5 1/8" posted. It comes with one standard international cartridge in the pen, as well as two boxes of black cartridges. Kaweco's squeeze converter or mini piston converter are available separately.
The following clips are also available separately for the Kaweco Sport: