pMorse End Mill, Center Cutting Regular Length Single End, Series 1898M, 23 mm Cutter Dia, 418 in Overall Length, 178 in Maximum Depth of Cut, 2 Flutes, Spiral Flute, 78 in Shank Dia, Right Hand Cutting, 30 deg Helix Angle, RoundWeldon Flat Shank, HSS, Brightp.