Comparison : Item # D4116188, Uncoated 4 Flute, Medium, Long, Extra Long Length Single Ball End End Mills, Solid Carbide USA
Item # D4116254, Uncoated 4 Flute, Medium, Long, Extra Long Length Single Ball End End Mills, Solid Carbide USA
Item # D4116189, Uncoated 4 Flute, Medium, Long, Extra Long Length Single Ball End End Mills, Solid Carbide USA
Item # D4116255, Uncoated 4 Flute, Medium, Long, Extra Long Length Single Ball End End Mills, Solid Carbide USA
Item # D412640116, Uncoated 4 Flute, Medium, Long, Extra Long Length Single Ball End End Mills, Solid Carbide USA