IRWIN 15502 HSS Step Drill Bit Set 1/8-3/4", 3 pc.
$89.65
Step Drill Bit Set, High Speed Steel, TiN, 1/4 in to 3/4 in, 1/8 in to 1/2 in, 3/16 in to 1/2 in Size Range, Straight with Three Flats, Number of Drill Bits 3, Shank Hex Size 1/4 in