Corner Radius End Mill, Grade High Performance, List Number 177, End Mill Style Corner Radius, End Mill Material Carbide, Dimension Type Fractional Inch, Milling Dia. 1/8 In., Corner Radius 1/64 In., Single End, Number of Flutes 4, Length of Cut 3/8 In., Center End Mill Cutting Type, Overall Length 1-1/2 In., Finish Altima, Straight Shank Type, Shank Dia. 1/8 In., Cutting Direction Right Hand, Helix Angle 35 Degrees /38 Degrees , End Mill Application Roughing/Finishing