Encapsulated Wire Wheel Brush, Bristle Type Crimped Wire, Product Type Encapsulated Wire Wheel Brush, Bristle Material Carbon Steel, Brush Dia. 1 1/4 in, Grit Not Applicable, Face Width 3/16 in, Bristle Diameter 0.008 in, Bristle Length 5/16 in, Compatible Tool Type Die Grinder, Primary Material Application Carbon Steel, Connector Type Threaded Hole, Connector Size 3/8 in, Operating Speed - Maximum 20,000 RPM, Color Not Applicable