With a high-efficiency brushless motor and three speed settings, the Worx Nitro impact driver offers more control and professional performance for a wide variety of applications where handling nuts and bolts is required, such as tire changes, swingset assembly and more. This cordless, rechargeable impact wrench accepts any 1/2" socket, providing a professional anvil for removing vehicle wheels, loosening or tightening lug nuts, large bolts and even frozen or rusted fasteners.