BIALFA COBALT M42 20 X 0.9 X 4/6 3400
BIALFA COBALT M42 27 X 0.9 X 4/6 3400
BIALFA COBALT M42 27 X 0.9 X 4/6 3440
BIALFA COBALT M51 27 X 0.9 X 3/4 3400