... 80,#120,#240,#320 use for grinding marble Magnesium POLISHING PAD ABRASIVE MODEL FRANKFURTGRITE #60,#120,#240,#320,#400,#600 ... stone processing and ground treatment, ceramic tile industry.Polishing pad has complete standard size color and good flexibility, in ... line and corner, arc plate and special shape stone processing, with ease, have DuoZhong shape, specification optional, all sorts of grain size ...