... wet flexible polishing pads 2.surface prominent 4.diameter 100mm,thick2.5mm 5.for granite,marble,concrete ... polishing marble,granite,concrete,and other stone The grits of pads are from #50, #100, #200, #400, ... to white/black buff in turn. Application:Suitable for stone panel curve surface polishingFor maintaining, repairing and ... fine grit, finally to polish High quality wet diamond polishing pads