Monster Tool Company 3/8 4FL SE X/LG 1 3/4x4 TiN Carbide End Mill, 62820, Diameter: 3/8, Number of Flutes: 4, End Style: Square End, Length of Cut: 1-3/4, Overall Length: 4, Shank Diameter: 3/8, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: TiN