pMorse variFLUTE High Performance End Mill, Center Cutting Regular Length Single End Square End, Series 5991Z, 516 in Cutter Dia, 212 in Overall Length, 34 in Maximum Depth of Cut, 2 Flutes, Variable Flute, 516 in Shank Dia, Right Hand Cutting, PlainRound Shank, Carbide, ZrN Coatedp