MILWAUKEE TOOL 48-89-9202 #2 Step Drill Bit, 3/16" - 1/2" by 1/16"($38.99Value)
Step Drill Bit, High Speed Steel, Black Oxide, 3/16 in to 1/2 in Size Range, Straight with Three Flats, 1/4 in Shank Diameter, 3 1/16 in Overall Length