Monster Tool Company 1/8 2FL SE REG w/.020R TiCN Carbide End Mill, 61431, Diameter: 1/8, Number of Flutes: 2, End Style: Corner Radius, Length of Cut: 1/2, Overall Length: 1-1/2, Shank Diameter: 1/8, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: TiCN