Comparison : Item # D41911432, Multiple Flute Cobalt Steel Center-Cutting Single End End Mills, USA
Item # D4111440, Multiple Flute Cobalt Steel Center-Cutting Single End End Mills, USA
Item # D4111448, Multiple Flute Cobalt Steel Center-Cutting Single End End Mills, USA
Item # D4111456, Multiple Flute Cobalt Steel Center-Cutting Single End End Mills, USA
Item # D4111460, Multiple Flute Cobalt Steel Center-Cutting Single End End Mills, USA