Detailed Product Description Nylon Polishing PadDesigned for polishing marble, granite, concrete and ceramic tile. It is particularly effective on polish hard black and green marbles. They also can polish all the engineered stones including zodiac, silestone, caesarstone.Size: 80mm(3"), 100mm(4"), 125mm(5"), 150mm(6").Grit: 300#, 500#, 1000#, 2000#, 6000#,10000#