DEWALT Variable Speed Brushless 1/2-in Drive Cordless Impact Wrench (Battery Included) in the Impact Wrenches department at Lowes.com
Dewalt DCF889 and DCF899 bolt shear test - YouTube
Dewalt DCF900P2 20V MAX XR Brushless Lithium-Ion 1-2 in. Cordless High Torque Impact Wrench Kit with Hog Ring Anvil and 2 Batteries (5 Ah) | Tyler Tool