Monster Tool Company 13/64 3FL SE REG TiCN Carbide End Mill, 61753, Diameter: 13/64, Number of Flutes: 3, End Style: Square End, Length of Cut: 3/8, Overall Length: 2-1/2, Shank Diameter: 1/4, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: TiCN