The HERCULES™ 3 in. x 1/4 in. Nylon Wire Cup Brush and Wheel Set is designed to remove rust, paint, scale, and corrosion from metal surfaces. The cup brush and wheel configuration provides flexibility for cleaning flat areas, edges, and contours, while the Aluminum Oxide abrasive material offers long service life under demanding use. Engineered to deliver consistent, high-performance cleaning on the job.