Kaweco AL-Sport Stonewashed Fountain Pen blue, F Nib (Fine) AL Sport aluminum barrel fountain pen, by Kaweco of Germany Compact size feels just right in your hand, 4.1" long (104mm) closed, 5.2" long (132mm) open, and slightly over 1/2" in diameter (14mm). Made from tough, solid aluminum The German-made nib is stainless steel made by Bock of Heidelberg Made in Germany