1.Low costs for fast cutting 2.Smooth Surface after finished 3.Long Life when correctly use 4.Better after-sales service The description of polishing pad:1, Grit: 30,50,100,150,200,300,400,500,800,1000,1500,2000,3000.2, This kind of polishing pad only use in wet condition.3, Application:used for polishing mable,granite and other special-sharped stone of the corner.4, We gain a good reputation of ...