40V max XGT® Brushless Cordless 4‑Speed 1/2" Sq. Drive Impact Wrench Kit w/ Friction Ring Anvil (2.5Ah) - Amazon.com
Makita 40V max XGT Brushless Cordless 4-Speed Impact Driver, 40V max XGT Compact Brushless Cordless 1/2-Inch Driver-Drill, ImpactX 50-Piece Driver Bit Set and 40V max XGT 4.0Ah Battery
Makita 40V max XGT Brushless Cordless 4-Speed Mid-Torque 1/2 in. Impact Wrench Kit w/Detent Anvil, 2.5Ah GWT08D - The Home Depot
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