These steel brake bars have no markings. They were probably made by in the Austrian Stubai Valley. They fit the old standard steel oval carabiners of the 1950s and 1960s.
For far more content, use a larger monitor and a full-width window.
Hundreds of cell phone users complained and asked me to for a simpler, mobile friendly site. In particular, they wanted me to limit each page to a small number of pictures and minimize my use of text. This new site provides what they asked for.