pvariFLUTE End Mill, Center Cutting Extended Length High Performance Single End, Series 5999M, 8 mm Cutter Dia, 1 mm Corner Radius, 63 mm Overall Length, 20 mm Maximum Depth of Cut, 9 Flutes, Variable Flute, 8 mm Shank Dia, 45 deg Helix Angle, 10 Cobalt Micrograin Solid Carbide, nACo Coatedp