Monster Tool Company 1/8 4FL DE REG TiN Carbide End Mill, 64144, Diameter: 1/8, Number of Flutes: 4, End Style: Square, Length of Cut: 3/8, Overall Length: 3, Shank Diameter: 3/8, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: TiN