TEKTON 3/8 in. Drive Impact Screwdriver Set (7-Piece) 2905 - The Home Depot
Metabo HPT MultiVolt 18-volt 1/4-in Brushless Cordless Impact Driver (1-Battery Included, Charger Included and Hard Case included) in the Impact Drivers department at Lowes.com
Impact Driver vs Hammer Drill - What's the Difference? | PTR
What is an Impact Driver? | Cordless Drill vs. Impact Driver