Monster Tool Company .024 4FL SE REG Ball Carbide End Mill, 65129, Diameter: .024, Number of Flutes: 4, End Style: BallNose, Length of Cut: 0.072, Overall Length: 1.5, Shank Diameter: 0.125, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: Uncoated