Cully™ Jobber Drill Bit, Heavy Duty Trinado, Imperial, 13/64 in Drill - Fraction, 0.2031 in Drill - Decimal Inch, 3-5/8 in Overall Length, 2-7/16 in Cutting Depth, 2-7/16 in Flute Length, 13/64 in Shank, Flat Shank, 135 deg Point, Split Point, HSS Cutting Edge, HSS, Black Oxide