pMorse End Mill, Center Cutting Long Length Single End, Series 5955, 12 in Cutter Dia, 4 in Overall Length, 2 in Maximum Depth Of Cut, 4 Flutes, Spiral Flute, 12 in Shank Dia, Right Hand Cutting, 30 Deg Helix Angle, PlainRound Shank, Solid Micrograin Carbide, Brightp.