pMorse End Mill, Extra Long Length NonCenter Cutting Single End, Series 1901, 78 in Cutter Dia, 714 in Overall Length, 5 in Maximum Depth of Cut, 4 Flutes, Spiral Flute, 78 in Shank Dia, Right Hand Cutting, 30 deg Helix Angle, RoundWeldon Flat Shank, HSS, Brightp.