Monster Tool Company .027 2FL SE REG Ball Carbide End Mill, 65001, Diameter: .027, Number of Flutes: 2, End Style: BallNose, Length of Cut: 0.081, Overall Length: 1.5, Shank Diameter: 0.125, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: Uncoated