This Kaweco black cased mechanical pencil, it takes a 0.7ml lead. Kaweco is a German pen brand established in 1883 and owned by the Gutberlet family in Nuremberg. Their most famous pens are the Kaweco Sport family of pens, which were designed with an oversized cap in the 1930s to be small in the pocket but large in the hand.
If you are a pen geek, these pens are for you, delivering great functional design, made for every day use, a design classic, they feel good in your hand.