Monster Tool Company 1/2 4FL SE, XXX/LG 4x7 AlTiN Carbide End Mill, 62871, Diameter: 1/2, Number of Flutes: 4, End Style: Square End, Length of Cut: 4, Overall Length: 7, Shank Diameter: 1/2, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: AlTiN