10220 Irwin Unibit Step Drill Bit Set,8 Hole S (9/16''-1''),Shank1/2",1/8'' Increments(0)No Reviews yet Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: IRW10220 Qty On Cart Features IRWIN offers a complete line of Metal Twist Drill Bits. Features Back FeaturesIRWIN offers a complete line of Metal Twist Drill Bits. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review