Tap & Drill Bit Gauge, Material Steel, Finish Satin Chrome, Dimension Type Fractional Inch, For Use With For Fractional Inch Drill Bits, Maximum Size - Inch 0.228 in, Maximum Size - Wire 3, Minimum Size - Inch 0.04 in, Minimum Size - Wire 2 AWG, Length 6 3/8 in, Range #2 to 1/4 in