Kobalts 24-volt max 1/2-inch drive brushless cordless impact wrench provides premium performance for installing and removing high torque bolts nuts and fasteners. Its powered by a 24-volt max high capacity lithium ion battery sold separately that delivers impressive power with extended runtime. Put away the old socket wrench and get more done with less effort using the Kobalt 24-volt max 1/2-inch drive brushless cordless impact wrench.