Comparison : Item # D4112436, 3-Flute Cobalt Steel Double End Center-Cutting End Mills, USA
Item # D4112438, 3-Flute Cobalt Steel Double End Center-Cutting End Mills, USA
Item # D4112440, 3-Flute Cobalt Steel Double End Center-Cutting End Mills, USA
Item # D4112442, 3-Flute Cobalt Steel Double End Center-Cutting End Mills, USA
Item # D4112444, 3-Flute Cobalt Steel Double End Center-Cutting End Mills, USA