4'' 4.5'' 5'' Fiberglass Backing Diamond Abrasive Flap Grinding Discs - Concrete polishing, concrete grinding, floor polishing, diamond tools, floor grinding, PCDs, metal bond diamond tools, resin bond diamond tools

Product name： 4'' 4.5'' 5'' Fiberglass Backing Diamond Abrasive Flap Grinding Discs
Item： FD-01