Clean or prep virtually any surface with The HART 6 piece Wire Wheel Brush Set. The cup design works best on larger surfaces while the wheel design provides access to corners and tight spaces. Set of 6 includes (2) 1-1/2-inchD wire wheel brushes, (1) 2-inchD wire wheel brush, (1) 2-1/2-inch wire wheel brush, (1) 3-inchD wire wheel brush and (1) 2-inchD wire cup brush. Each brush features a 1/4 inch hex shank for quick and easy changes. For best results, use a drill/driver.