1/2In 900Nm High Torque Brushless Electric Impact Wrench Gun ,2*4000mAh Battery
(M)tightening torque and 665Ft-lbs (900N. m)loosening torque! With 3300 IPM and 2400 RPM. it installs truck wheel bolts in just 3 seconds and removes even the most stubborn rusted bolts from construction/machinery/scaffolding in 5 seconds.