Wire Wheel Brush, Bristle Type Crimped Wire, Product Type Wire Wheel Brush, Bristle Material Nylon, Brush Dia. 3 in, Face Width 1/2 in, Bristle Diameter 0.022 in, Bristle Length 1 in, Compatible Tool Type Die Grinder, Drill Press, Pencil Grinder, Straight Grinder, Primary Material Application Carbon Steel, Connector Type Threaded Hole, Connector Size 1/2 in, Operating Speed - Maximum 20,000 RPM