... diamond grinding disc,diamond polishing disc. 4,6,8,10 inch available. Metal grinding disc,diamond grinding disc,diamond ... DescriptionGritSizeCharacteristicsDiamond Grinding Disc50#,200#,400#4,6,8,10 inchHigh efficiency,durable lifeResin Grinding Disc500#,800#,1500#,3000 ... #4,6,8,10 inchHigh sharpness,high glossPolishing DiscLUX4,6,8,10 inchQuick lustering, high clearness2. Characteristics ...