Scotch-Brite™ Roloc™ Brake Hub Cleaning disc and holder combine an aggressive 3-D disc construction with a unique, center hole Roloc™ attachment system for improved productivity. The system removes rust and corrosion quickly, even in hard to reach places. The attachment provides quick disc changes with the convenience of running on high-speed tools. All this adds up to saving time, increasing speed and effectiveness on the brake job.