BIALFA COBALT M42 27 X 0.9 X 4/6 5450
BIALFA COBALT M42 34 X 1.1 X 4/6 5450
BIALFA COBALT M42 41 X 1.3 X 4/6 5450
BIALFA COBALT M51 41 X 1.3 X 3/4 5450