pMorse End Mill, Center Cutting Regular Length Single End, Series 1898, 58 in Cutter Dia, 3716 in Overall Length, 1516 in Maximum Depth of Cut, 2 Flutes, Spiral Flute, 58 in Shank Dia, Right Hand Cutting, 30 deg Helix Angle, RoundWeldon Flat Shank, HSS, Brightp.