Monster Tool Company 5/32 4FL DE Stub AlTiN Carbide End Mill, 64059, Diameter: 5/32, Number of Flutes: 4, End Style: Square, Length of Cut: 5/16, Overall Length: 2, Shank Diameter: 3/16, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: AlTiN