Bosch 18-volt Variable Speed Brushless 1/2-in square Drive Cordless Impact Wrench (Bare Tool) in the Impact Wrenches department at Lowes.com
DEWALT 20V MAX Compact Brushless Drill/Driver And Impact Kit with 2 Batteries, Charger and Soft Bag in the Power Tool Combo Kits department at Lowes.com
Milwaukee SHOCKWAVE 1/8 in. - 1 in. #8 Impact-Rated Titanium Step Drill Bit (9-Steps) 48-89-9248 - The Home Depot