Milwaukee 7/8 In. & 1-1/8 In. #9 Step Drill Bit, 2 Steps - Town Hardware & General Store
Hyper Tough 12-Step Split Point Titanium Coated Drill Bit, 3/16 - 7/8-inch, Model 42536 - Walmart.com
Milwaukee 7/8 in. and 1-1/8 in. #9 Step Black Oxide Drill Bit With 1/4 in. to 1-3/8 in. x 1/8 in. #5 Step Drill Bit (2-Piece) 48-89-9209-48-89-9205 - The Home Depot