Why an impact driver should be among your top five tools - The Washington Post
Kobalt Next-Gen 24-volt 1/4-in Brushless Cordless Impact Driver (1-Battery Included, Charger Included and Soft Bag included) in the Impact Drivers department at Lowes.com
Makita 2.3 Amp 1/4 in. Corded Hex Drive Impact Driver 6952 - The Home Depot
DEWALT 20V MAX XR Impact Driver, Brushless, 3-Speed, 1/4-Inch, Tool Only (DCF887B) - Amazon.com
20V Brushless Cordless 1/4 in. Compact 3-Speed Impact Driver - Tool Only
Corded Impact Wrench VS Battery Powered Impact - YouTube
Makita USA - Product Details -XDT16Z
Impact Driver vs Drill: What is an Impact Driver? (By an Electrician) - Rack-A-Tiers Since 1995
What's the Difference Between a Cordless Drill and an Impact Driver? – Drillbrush