Monster Tool Company 3.5mm 4FL SE REG BN (12mm LOC) Carbide End Mill, 63595, Diameter: 3.5, Number of Flutes: 4, End Style: BallNose, Length of Cut: 12.0, Overall Length: 51.0, Shank Diameter: 4.0, Helix: 30-Degree, Right Hand Cut, Material Base: Carbide, Finish / Coating: Uncoated