QUICK CHANGE WOOL DISC Feature: Good durability，fine grinding and flexible polishing; soft material will not scratch Surface. Biodegradable and recyclable wool felt material, no pollution; It can eliminate defect and increase brightness. 100% natural compressed wool for tool polishing, surface treatment, paint stripping, primer polishing, jewelry polishing, automobile, etc. SIZE THICKNESS(MM) MAX/PPM TYPE 2″ 5/8/12 20,000 R/S/P 3″ 5/8/12 20,000 R/S/P