With the patent-pending Tru-Balance X-2511-SB Heavy Duty Stud Brush, users can thoroughly clean wheel studs in minutes with just one pass. The open design of the tool allows for easy cleaning of the unit and the independent brushes can be rotated as needed for maximum brush life.As an added benefit users can remove one brush and use with a drill for cleaning wheel holes. There is no reverse rotation required of the drill. The brush collar ensures proper stability, positioning and performance. The hex drive is made for use with a cordless drill or air tool. The heavy duty replaceable brushes are made from stainless steel.