BIALFA COBALT M42 20 X 0.9 X 4/6 5055
BIALFA COBALT M42 20 X 0.9 X 4/6 5085
BIALFA COBALT M42 20 X 0.9 X 4/6 5130
BIALFA COBALT M42 20 X 0.9 X 4/6 5140
BIALFA COBALT M42 20 X 0.9 X 4/6 5170