Precious Metals Buffing Kit, Buffing Material Canton Flannel, Compatible Tool Type Buffing Machine, Connector Size 1 in, Connector Type Unthreaded Hole, Grade Not Applicable, Included Compound Color Red, Included Compound Type Jewelers Rouge, Number of Plies 15, Operating Speed – Maximum 3,600 RPM, Overall Dia. 6 in, Overall Thickness 1/2 in, Primary Material Application Gold, Platinum, Silver, Reducer Bushing Size 1/2 in, Sew Style Cushion