Replacement Radial Bristle Disc, Bristle Type Type C, Product Type Replacement Radial Bristle Brush, Bristle Material Ceramic, Brush Dia. 6 in, Grit 400, Face Width 7/16 in, Compatible Tool Type Bench Grinder, Pedestal Grinder, Primary Material Application Aluminum, Brass, Bronze, Cast Iron, Stainless Steel, Steel, Connector Type Unthreaded Hole, Connector Size 1 in, Operating Speed – Maximum 6,000 RPM, Shank Length Not Applicable, Color Blue, Package Quantity 40