Makita 40V max XGT Brushless Cordless 4-Speed Mid-Torque 1/2 in. Impact Wrench (Tool Only) with bonus 40V Max XGT 4.0Ah Battery GWT08Z-BL4040 - The Home Depot
Makita Brushless Cordless Impact Driver GWT08Z
40V max XGT® Brushless Cordless 4‑Speed Mid‑Torque 1/2" Sq. Drive Impact Wrench w/ Detent Anvil, Tool Only - Amazon.com