... 2.Excellent quanlity & Factory price 3.For concrete,granite,marble Granite polishing pad We, Bontai , are the one of leading ... Features: Flexible polishing pads wet use mainly for coarse grinding, fine polishing, precision grinding of the curred surface. Suitable for polishing Granite, Marble, ... grit and 3000 grit and BUFF. Applications: Concrete, Granite, Marble engineered stone polishing pads