On the metals chart that Gerben was kind enough to post... they list the coils springs for the Swiss as made from FD 09 material, and the new Mauser just as Federstahldraht II ....Oooooh kayyyyy...What in the H@)) are they talking about??....

..... I can't find anything on the internet about what properties these steels possess... Can our European friends enlighten me??... Best to all, til...lat'r....GT.....