This created the ultra strong and incredibly durable Power rim cleaning and polishing brush can chuck any power drill. The 1/4" hex speed driver is sized to fit your standard quick change adapters. The steel hex driver is completely encased in the handle so there's no chance of scratching your work. Load Power Wool Rim Cleaning and Polishing brush with your favorite polish or buffing compound. Made of polyproylene, these brushes will not scratch up or splatter like most twisted wire spoke brushes.The soft, dense carpet fibers will hold suds and transfer them to the wheel.