pMorse End Mill, Center Cutting Extra Long Length Single End, Series 4552, 1132 in Cutter Dia, 414 in Overall Length, 212 in Maximum Depth of Cut, 4 Flutes, Spiral Flute, 38 in Shank Dia, Right Hand Cutting, 30 deg Helix Angle, RoundWeldon Flat Shank, HSS, Brightp.