Comparison : Item # D41165740, Regular Length HSS 3/16" Shank 2 Flute Double Ball End Mills, USA
Item # D41165750, Regular Length HSS 3/16" Shank 2 Flute Double Ball End Mills, USA
Item # D41165760, Regular Length HSS 3/16" Shank 2 Flute Double Ball End Mills, USA
Item # D41165770, Regular Length HSS 3/16" Shank 2 Flute Double Ball End Mills, USA
Item # D41165780, Regular Length HSS 3/16" Shank 2 Flute Double Ball End Mills, USA