Monster Tool Company .053 2FL SE REG Ball Carbide End Mill, 65053, Diameter: .053, Number of Flutes: 2, End Style: BallNose, Length of Cut: 0.159, Overall Length: 1.5, Shank Diameter: 0.125, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: Uncoated