The ESCO HD Stud Kleen Hub and Stud Cleaning Tool quickly and effortlessly cleans corrosion and rust from the wheel and hub mating surface and studs, allowing accurate torque and preventing potential vibrations and seized rims. Specifically designed to fit over the stud on a truck hub, this all-in-one stainless steel hub and stud cleaning tool accommodates medium to heavy-duty trucks with 3/4in. and 22mm. stud sizes and works with 1/2in. air impact guns.