Cutter End Mill, Extended Reach Non-Center Cutting Single End, Series: REM445, 1/2 in Diameter Cutter, 0.025 in Corner Radius, 3-5/8 in Overall Length, 1-5/8 in Length of Cut, 4 Flutes, Spiral Flute, 1/2 in Shank Diameter, Right Hand Cutting Direction, 30 deg Helix Angle, Weldon Flat Shank