Bare-Tool Ingersoll Rand W360 19.2-Volt 1/2-Inch Square Drive Cordless Impactool (Tool Only, No Battery) Powerful and reliable 19.2-volt cordless impact tool 360 ft./lbs. maximum reverse torque 1650 RPM; 2200 BPM All-metal hammer case and housing ring for ultimate durability 1-year limited manufacturer's warranty