Comparison : Item # D412520100, 2 Flute, Single Square End End Mills, Decimal Sizes Solid Carbide USA
Item # D412520110, 2 Flute, Single Square End End Mills, Decimal Sizes Solid Carbide USA
Item # D412520120, 2 Flute, Single Square End End Mills, Decimal Sizes Solid Carbide USA
Item # D412520130, 2 Flute, Single Square End End Mills, Decimal Sizes Solid Carbide USA
Item # D412520140, 2 Flute, Single Square End End Mills, Decimal Sizes Solid Carbide USA