Kaweco AL Sport Fountain Pen grey Pen Nib: M (medium) 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