Buffing Wheel, Sew Style Spiral, Buffing Material Cotton, Overall Dia. 8 in, Overall Thickness 1/2 in, Connector Size 1 in, Number of Plies 40, Primary Material Application Aluminum, Brass, Copper, Stainless Steel, Steel, Reducer Bushing Size 1/2 in, Operating Speed - Maximum 3,600 RPM, Compatible Tool Type Buffing Machine