... High enduring, strong grinding force Grit: 60 120 200 400mesh Diamond Polishing Hand Pad for polishing glass,marble, granite, ceramicFeature:Strong grinding forceHigh enduranceExcellent ... in grinding and polishing stone, glass, ceramics, mono-crystal silicon, poly crystal silicon, synthetic material, cemented carbide, aluminum alloy,etc Diamond polishing Hand Pad for polishing ...