Comparison : Item # BB-43041, 12.9 DIN 912, Zinc Bake Cr+3, Alloy (Metric)
Item # BB-43042, 12.9 DIN 912, Zinc Bake Cr+3, Alloy (Metric)
Item # BB-43043, 12.9 DIN 912, Zinc Bake Cr+3, Alloy (Metric)
Item # BB-43044, 12.9 DIN 912, Zinc Bake Cr+3, Alloy (Metric)
Item # BB-43045, 12.9 DIN 912, Zinc Bake Cr+3, Alloy (Metric)