' Item Reduced Shank Drill Bit Set, Dimension Type Fractional Inch, Drill Diameter 1/16 In. to 1/2 In. By 64ths, Shank Dia. 3/8 In., Material High Speed Steel, Drill Point 135 Degrees , Point Type Split Point, Finish Black and Gold, List Number 1876, Grade Heavy Duty, Shank Type Round with Flats, Application For Alloy, Stainless And Tool Steels And Cast Iron '