This DEWALT DCF901B 12 Volt MAX 12V Brushless 1/2-in Cordless Impact Wrench TOOL ONLY is the essential tool for all your nut-busting and fastening needs. With a maximum torque of 542.3 Nm, this impact wrench can handle tough jobs with ease. It is powered by a lithium-ion battery, providing you with the convenience of cordless operation.