pMorse End Mill, Center Cutting Extra Long Length Single End, Series 5951T, 38 in Cutter Dia, 4 in Overall Length, 134 in Maximum Depth of Cut, 4 Flutes, 38 in Shank Dia, Right Hand Cutting, 30 deg Helix Angle, PlainRound Shank, Solid Micrograin Carbide, TiAlN Coatedp.