'Reduced Shank Drill Bit, Fractional Inch, Drill Bit Size 31/64 In., Decimal Equivalent 0.4844, Drill Bit Point Angle 135 Degrees , Drill Bit Material High Speed Steel, Drill Bit Finish Black/Gold, Shank Type Round with Flats, Flute Type Spiral, Grade Heavy Duty, Overall Length 4-7/8 In., Shank Dia. 3/8 In., Flute Length 3-1/4 In., Point Type Split Point, List Number 1876, For Alloy, Stainless And Tool Steels And Cast Iron'