Comparison : Item # D4113002, Metric 4-Flute Cobalt Steel Single End Ball End Mills, USA
Item # D4113004, Metric 4-Flute Cobalt Steel Single End Ball End Mills, USA
Item # D41913006, Metric 4-Flute Cobalt Steel Single End Ball End Mills, USA
Item # D4113008, Metric 4-Flute Cobalt Steel Single End Ball End Mills, USA
Item # D41913010, Metric 4-Flute Cobalt Steel Single End Ball End Mills, USA