Monster Tool Company 1/64 4FL SE Long (1/8x2 1/2) Carbide End Mill, 65951, Diameter: 1/64, Number of Flutes: 4, End Style: Square, Length of Cut: 1/8, Overall Length: 2-1/2, Shank Diameter: 1/8, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: Uncoated