Comparison : Item # D41265280, Long Length Cobalt Steel 3/16" Shank 2 Flute Double End Mills, USA
Item # D41265320, Long Length Cobalt Steel 3/16" Shank 2 Flute Double End Mills, USA
Item # D41265340, Long Length Cobalt Steel 3/16" Shank 2 Flute Double End Mills, USA
Item # D41265360, Long Length Cobalt Steel 3/16" Shank 2 Flute Double End Mills, USA