Comparison : Item # D41165280, Long Length HSS 3/16" Shank 2 Flute Double End Mills, USA
Item # D41165320, Long Length HSS 3/16" Shank 2 Flute Double End Mills, USA
Item # D41165340, Long Length HSS 3/16" Shank 2 Flute Double End Mills, USA
Item # D41165360, Long Length HSS 3/16" Shank 2 Flute Double End Mills, USA