Monster Tool Company .050 2FL SE REG Carbide End Mill, 64405, Diameter: .050, Number of Flutes: 2, End Style: Square, Length of Cut: 0.150, Overall Length: 1.5, Shank Diameter: 0.125, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: Uncoated