Dewalt's 20V MAX brushless high torque impact wrenches
DeWalt DCF900B 20V MAX XR 1/2" High Torque Impact Wrench w/ Anvil (ToolOnly) New 885911736299 | eBay
18v Max .20v Dewalt Dcf899 Dcf899hb Dcf899h Dcf899m1 Dcf899p2 Dcf899b Dcf899hp2 Dcf899hp High Torque Impact Wrench Body Only - Power Tool Accessories - AliExpress