BIALFA COBALT M42 13 X 0.5 X 24 1728
BIALFA COBALT M42 13 X 0.6 X 6 1728
BIALFA COBALT M42 13 X 0.6 X 6/10 1728
BIALFA COBALT M42 13 X 0.9 X 3 1728
BIALFA COBALT M42 13 X 0.9 X 4 1728