BIALFA COBALT M42 20 X 0.9 X 14 2440
BIALFA COBALT M42 20 X 0.9 X 4/6 2440
BIALFA COBALT M42 20 X 0.9 X 6/10 2440
BIALFA COBALT M42 20 X 0.9 X 8/12 2440