The ESCO Stud Kleen is a wheel cleaning tool that is uniquely designed to clean both the hub and stud at the same time with an internal stainless-steel stud cleaning system. Designed to completely rid the rim, wheel face, studs, and brake drum of any debris, rust or contaminates that would affect the mating surface of the wheel assembly. Its highly dense abrasive cleaning pad lasts longer than any other abrasive cleaning pad on the market and will clean over 800 wheels with one tool. Easily attached the ESCO Stud Kleen onto a 1/2 in. impact gun and your ready. One size fits most applications for automotive, SUV, and light truck.