Dewalt DCF894NT 3-stage cordless impact wrench (18 V, 1/2 inch external square socket with ball lock, brushless, 450 Nm torque, including belt hook, T-STAK Box II, battery and charger not included). :
DeWalt DCF 894 NT Akku Schlagschrauber 18V 1/2" Brushless Solo + TSTAK - ohne Akku, ohne Ladegerät | DINOTECH e.K.
Dewalt DCF894 & DCF896 Impact Wrench High Torque - FIRST LOOK - YouTube