Hey Mr Bach-man !

[Old Bandit]

Hello Mr Bach-man !
Just a question from a newbie :
All Bachmann Large Scale rolling stock is equipped with metal wheels.
But what kind of metal is it (steel, copper, brass...or what else) ?
Thanks for your help !

[the Bach-man]

Dear OB,
I have no idea!
I'll see what I can find out.
Have fun!
the Bach-man

[Old Bandit]

  :)Many thanks for your help Mr Bach-man !
It seems to be the biggest mystery of the universe !