... ,400,800,1500,3000,White Buff,Black Buff2, Application:used for polishing mable,granite and other special-sharped stone .3, We gain ... use, wet use better 5, Fast and long life time for polishing. Diameter=3"(80m) Grits=50#-100#-200#-400#-800#-1500 ... ManufacturerWe are professional in producing polishing pads, cutting blade, core drill bits and stone processing machinery for more than 6 years.Now ...