The HERCULES® 20V Brushless Cordless 3/4 in. Ultra Torque Impact Wrench with Friction Ring delivers 1650 ft. lbs. of bolt breakaway torque at speeds up to 1850 RPM to power off nuts and bolts fast. The convenient 4-mode selector operates at three speed ranges of 0-650/0-1350/0-1850 RPM. Auto mode delivers both auto-shutoff/bolt removal mode to prevent overrun, plus auto-tighten mode to prevent overtightening. Pair up with the HERCULES® 5.0 amp hour battery pack or greater to deliver more work per charge and more work over the life of the pack.