pMorse End Mill, Ball Nose Center Cutting Regular Length Single End, Series 5940, 38 in Diameter Cutter, 212 in Overall Length, 78 in Maximum Depth of Cut, 2 Flutes, Spiral Flute, 38 in Shank Diameter, Right Hand Cutting Direction, 30 deg Helix Angle, PlainRound Shank, Solid Micrograin Carbide, Brightp.