Gloves & Safety Apparel. Auto & Truck Maintenance. Machining, Bearings & V-Belts. MILWAUKEE TOOL 48-89-9291 3 pc. Cobalt Step Bit Set. Step Drill Bit Set, High Speed Steel, Black Oxide, 1/8 in to 7/8 in Size Range, Straight with Three Flats, Number of Drill Bits 3. View more great items! Other Business & Industrial. Electrical Boxes and Enclosures. Light Industrial Equipment & Tools. Electrical Outlets & Recepticles. Add to Favourite Sellers. Sign up to Newsletter. This listing is currently undergoing maintenance, we apologise for any inconvenience caused.