RESIN GRINDING DISC model:4",6",8",10",12" grite:#400,#500,#800,#1500,#3000 use for grinding stone Apply:granite and marble RESIN GRINDING DISCmodel:4",6",8",10"grite:#400,#500,#800,#1500,#3000use for grinding stoneApply:granite and marbleCharacteristics: hight sharpness,long life and high gloss Resin Grinding Disc ,specification:200mm,250mm grit:500#,800#,1500#,polishing disc