Wire Wheel Brush, Bristle Type Crimped Wire, Product Type Wire Wheel Brush, Bristle Material Carbon Steel, Brush Dia. 1 1/2 in, Grit Not Applicable, Face Width 1/4 in, Bristle Diameter 0.008 in, Bristle Length 1/4 in, Compatible Tool Type Die Grinder, Pencil Grinder, Straight Grinder, Connector Type Round Shank, Connector Size 1/4 in, Operating Speed - Maximum 25,000 RPM, Shank Length 1/4 in, Color Not Applicable, Series Gemini