Norseman Drill 01310 Jobber Length Drill Bit, Type 115, Style: General Purpose, Fractional Drill Size: 1/2 Inch, Point Angle: 118 deg, High Speed Steel, Black Oxide, Flute Length: 4-1/2 Inch, Shank Diameter: 1/2 Inch, Shank Length: 1-1/2 Inch, Overall Length: 6 Inch