Monster Tool Company 25/64 2FL SE REG Carbide End Mill, 61264, Diameter: 25/64, Number of Flutes: 2, End Style: Square End, Length of Cut: 1, Overall Length: 2-3/4, Shank Diameter: 7/16, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: Uncoated