POLISH WITH THE BESTOur premium Marathon™ felt polishing wheels consist of superior quality 100% carbonized wool allowing you to create surface finishes from smooth to mirror brilliance.Every wheel is perfectly balanced to give vibration free, true running performance. 100% wool provides the perfect home for aggressive abrasive polishing compounds. Product Details: 8" Diameter 1/2" Thickness 1/2" Hole Hard DensityVARIETY OF USES Perfect for polishing precious and non-precious metals, knife honing and sharpening, leather finishing, de-burring, metal working, jewelry polishing and buffing, gold and silver polishing, and fine polishing for stainless, copper, aluminum, glass, stone, marble and ceramic.Max RPM up to 1750rpm.