... and microlite, the grinding of sectional repair, concrete surface, and corner of hardener surface.2.Used for maintaining, repairing and revamping ... become gloss again DescriptionDiameterFunctionNomal white pad10",13",17"Crystal surface the stone,marble,granite etc.Strong power white pad10 ... ",13",17"Crystal surface the stone,marble,granite etc.Nanometer pad10",13",17 ...