What is an Impact Driver? | Cordless Drill vs. Impact Driver
Impact Driver vs Hammer Drill - What's the Difference? | PTR
Impact Drivers vs. Drills - The Home Depot
RYOBI ONE+ HP 18V Brushless Cordless 1/2 in. Hammer Drill and 1/4 in 4-Mode Impact Driver Kit w/ (2) Batteries, Charger, & Bag PBLCK02K - The Home Depot