Wire Wheel Brush Bristle Type Crimped Wire Product Type Wire Wheel Brush Bristle Material Nylon Brush Dia 1 in Grit 500 Face Width 1/4 in Bristle Diameter 0.018 in Bristle Length 1/8 in Primary Material Application Carbon Steel Stainless Steel Connector Type Unthreaded Hole Connector Size 3/8 in Operating Speed - Maximum 20 000 RPM Shank Length Not Applicable