... 8,10 inch available. Metal grinding disc,diamond grinding disc,diamond polishing disc.1. DescriptionGritSizeCharacteristicsDiamond Grinding Disc50#,200#,400#4,6 ... ,8,10 inchHigh efficiency,durable lifeResin Grinding Disc500#,800#,1500#,3000#4,6,8,10 inchHigh ... Used for maintaining,repairing and renewing granite, marble,concrete,etc. After rough grinding and fine polishing with the pads, the floor ...