Wire Wheel Brush Bristle Type Crimped Wire Product Type Wire Wheel Brush Bristle Material Carbon Steel Brush Dia 1 1/4 in Grit Not Applicable Face Width 1/4 in Bristle Diameter 0.005 in Bristle Length 3/8 in Compatible Tool Type Die Grinder Pencil Grinder Connector Type Round Shank Connector Size 1/8 in Operating Speed - Maximum 37 000 RPM Shank Length 1/8 in Color Not Applicable