Monster Tool Company .038 2FL SE REG AlTiN Carbide End Mill, 64532, Diameter: .038, Number of Flutes: 2, End Style: Square, Length of Cut: 0.114, Overall Length: 1.5, Shank Diameter: 0.125, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: AlTiN