Hdcarpentry - Dewalt 20v max mid torques. The DCF894 and DCF891 look very similar but there is a big difference in performance. The DCF 891 has about double the fastening torque as
DeWALT DCF894 XR 1/2in Impact Wrench 18V
Dewalt DCF894 & DCF896 Impact Wrench High Torque - FIRST LOOK - YouTube