DEWALT 20V MAX Cordless Impact Wrench, 1/2 in., Bare Tool Only (DCF900B) - Amazon.com
THE BEST QUIET IMPACT DRIVER Ridgid Stealth Force VS Ryobi Quiet Strike - YouTube
DEWALT ATOMIC 20V MAX Lithium-Ion Cordless Impact Driver Kit and ATOMIC 20V MAX Cordless Brushless Compact 1/2 in. Hammer Drill DCF850P1WDCD709 - The Home Depot