The HERCULES® 20V Brushless Cordless, 7/16 in. High-Torque Impact Wrench with Quick-Release Chuck delivers up to 700 ft-lbs of torque for drilling the toughest materials. The convenient 4-speed selector operates at 0 to 800 / 0 to 1100 / 0 to 1700 / 0 to 2100 RPM. The quick-release chuck ensures secure bit retention and fast bit changes. A built-in LED light provides superior work visibility. Pair with the HERCULES™ 5.0 Ah hour battery pack to deliver more work per charge and more work over the life of the pack.