... 4,long life 5 hing efficient The description of dry polishing pad:1, Grit:50,100,150,200,300,400,500 ... in dry condition. Don't use water.3, Application:used for polishing mable,granite and other special-sharped stone of the corner ... , Easy use, after polishing, the stone surface will show a mirror effect.6, Fast and long life time for polishing. Shipping Ways: Payment ...