Monster Tool Company 1/16 4FL SE REG (1/4 LOC) Carbide End Mill, 61847, Diameter: 1/16, Number of Flutes: 4, End Style: Square End, Length of Cut: 1/4, Overall Length: 1-1/2, Shank Diameter: 1/8, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: Uncoated