Scotch-Brite(TM) Match and Finish Flap Brush, Aluminum Oxide, 4-1/2" Diameter x 4" Width, 5/8"-11 Thread, Medium Grit, 5A Density (Pack of 1) Simplifies finish matching Easy screw-on/screw-off attachments Reduces stop/start marks Optimal conformability Conforms to most surface geometries