High Speed Steel End Mill, Grade: General Purpose, List Number: HG-2, End Mill Style: Square, Dimension Type: Fractional Inch, Milling Dia.: 1", Number of Flutes: 2, Length of Cut: 1-5/8", Cutting Type: Center, Overall Length: 4-1/2", Finish: Bright, Shank Dia.: 1", Single End/Double End: Single End, Cutting Direction: Right Hand, Helix Angle: 30 Degrees, Corner Radius: 0