229, 239,238,256,229 heavy
239 heavy, brass or gold brass
C2R, C7R, 20 in Hülse 4, 6, 7, 20
main tuning slide:
standard or circular
standard, semi heavy, heavy
polished brass, silver plated or gold plated or the choice of any combination
Tuning slide trigger. This option provides the possibilty while playing to move the main tuning slide out, thus lowering the pitch. It is spring loades and therefore returns automaticall to the original position.