The HART 20V -inch Impact Wrench is a great . new addition for DIY mechanics. It’s strong . with a powerful motor that can handle tough tasks . like tightening or loosening big nuts and bolts and delivering up to 350 ft/lbs. of torque. You can easily change sockets thanks to the friction ring . and the built-in LED light helps you see better in tight spots under your car’s hood. Plus . it uses the same HART 20V Lithium-Ion Battery as other HART tools . so you can expand your tool collection without buying more batteries and chargers. (Battery and Charger Not Included). Disclaimer: *Using the 20V 4.0Ah lithium-ion battery to tighten 1-1/4″ bolts