Monster Tool Company 3/8 2FL SE REG w/.030R Carbide End Mill, 61520, Diameter: 3/8, Number of Flutes: 2, End Style: Corner Radius, Length of Cut: 1, Overall Length: 2-1/2, Shank Diameter: 3/8, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: Uncoated