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 - 20V MAX XR 1/2" Impact Wrench w/ DCB205 5 Ah Battery & Charger | eBay
DEWALT 20V MAX* XR Cordless Impact Wrench with Hog Ring Anvil, 1/2-Inch, Tool Only (DCF894HB) - Amazon.com
Dewalt DCF894 20V Max 1/2" Cordless Impact Wrench for Sale in Tamarac, FL - OfferUp
Dewalt DCF894 Wireless Impact Wrench Rechargeable High Torque 447Nm 813Nm(Reverse) 2000rpm 3100ipm Universal 20v and 18v Battery