Our Set contains a high-quality Velcro Rubber Backing Pad designed with an Internal Water Hole, making it perfect for both Wet and Dry Polishing. The Variety of Surfaces that can be polished with the 11 High Quality Pads covers Granite, Marble, Quartz, Concrete, Terrazzo, to ensure the necessary Versatility. The Pads are Colour Coded per Grit, being easy to identify and avoiding any confusion during the process.