40V max XGT® Brushless Cordless 4‑Speed Mid‑Torque 1/2" Sq. Drive Impact Wrench w/ Detent Anvil, Tool Only - Amazon.com
Cordless Impact Wrench 1/2 inch for Makita 18V Battery, 600 Ft-lbs (810N. m) Brushless High Torque Power Tool with LED Work Light and Belt Clip (Battery Not Included) - Amazon.com
Makita 8.5 Amp 1/2 in. Spade Handle Drill DS4011 - The Home Depot