Scotch-Brite(TM) Radial Bristle Disc, 3/4 in x 1/16 in Pumice, 192 per case Durable radial plastic disc for deburring or coating removal. Leaves a satin finish. Gang multiple discs to form a brush. Fits portable hand tool or small bench motor. Grade: Pumice. Color: Pink. MOS: 35000 RPM