BIALFA COBALT M42 20 X 0.9 X 10/14 2740
BIALFA COBALT M42 20 X 0.9 X 18 2740
BIALFA COBALT M42 20 X 0.9 X 5/8 2740
BIALFA COBALT M42 20 X 0.9 X 6/10 2740