Encapsulated Wire Wheel Brush Bristle Type Crimped Wire Product Type Encapsulated Wire Wheel Brush Bristle Material Carbon Steel Brush Dia 3 in Grit Not Applicable Face Width 1/4 in Bristle Diameter 0.012 in Bristle Length 1 in Compatible Tool Type Die Grinder Primary Material Application Carbon Steel Connector Type Round Shank Connector Size 1/4 in Operating Speed - Maximum 20 000 RPM Shank Length 1/4 in Color Not Applicable