Irwin Drill Bit, Step / Unibit, 8 Hole Sizes, 0.500" Shank, 0.562" - 1.000" Hole Diameter (#20)(0)No Reviews yet SKU: IRW-10220 MPN: 585-10220 $65.84 $73.16 Sale Qty: -+ Quantity discounts available QuantityPrice Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review