Comparison : Item # D412993020, Metric 4-Flute Cobalt Steel Single End Center-Cutting End Mills, Imported
Item # D412993025, Metric 4-Flute Cobalt Steel Single End Center-Cutting End Mills, Imported
Item # D412993030, Metric 4-Flute Cobalt Steel Single End Center-Cutting End Mills, Imported
Item # D412993035, Metric 4-Flute Cobalt Steel Single End Center-Cutting End Mills, Imported
Item # D412993040, Metric 4-Flute Cobalt Steel Single End Center-Cutting End Mills, Imported