Feature●★Product name: Wool polishing ball , Cashmere buffing wheel●★Made of premium cashmere, polishing head diameter is approx 22 mm●★All of polishing bits are 1/8 inch diameter shank, fits electric rotary tool, grinder, drill●★Make polished goods cleaner and brighter, suitable for metat and non metal, lapidary, jewelry, silver, copper, watch, arts & crafts etc●★Package contents: 20 pieces rotary polishing tips,Description