BIALFA COBALT M42 41 X 1.3 X 3/4 6540
BIALFA COBALT M42 41 X 1.3 X 4/6 6540
BIALFA COBALT M42 41 X 1.3 X 5/8 6540
BIALFA M42 PROFILE 41 X 1.3 X 5/7 6540