... ,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 ... ,repairing and renewing granite, marble,concrete,etc. After rough grinding and fine polishing with the pads, the floor surface will ...