YG-1 Square End Mill, Center Cut Double End Imperial Regular Length, Series: E2053, 13/16 in Diameter Cutter, 6-1/8 in Overall Length, 1-7/8 in Length of Cut, 4 Flutes, Spiral Flute, 7/8 in Shank Diameter, Right Hand Cutting Direction, 30 deg Helix Angle, Flat Shank, M42 HSS-Co 8, Bright