[DIAMOND POLISHING PADS] Granite polishing kit includes 10 pcs of 4 inch diamond sanding pads, 2 pcs wool felt polishing pad, 1 pc 3/8 inch-11 thread hook and loop backer pad, and 1 pc 8 mm drill adapter. Marble polishing kit increases your polishing efficiency. Wool felt buffing pads are made of natural wool. Polish surfaces without damage. [GRANITE POLISHING PADS] Comes with 10 pieces (Grit 30, 50, 100, 200, 400, 800, 1500, 3000, 6000, 8000). Concrete polishing pads can be used for wet or dry polishing. Grits 30–100 can be used wet or dry. Grits 200–8000 must be used with water. [TILE POLISHING PADS FOR GRINDER] Concrete sanding pads are made of resin powder and diamond powder. This diamond polish kit is designed for use with grinders and compatible tools. [STONE POLISHING KIT] The included hook and loop backing pad allows for easy installation and removal of polishing pads. The backer pad enables connection to a household power drill, grinder, or polisher. Never use with high-speed grinders. Check your tool specifications: optimal RPM is 2200, maximum RPM is 4500 to avoid surface damage. [WIDE APPLICATIONS] Diamond polishing pads are suitable for solid surface materials such as concrete, tiles, stone, granite, marble, and quartz. Ideal for use on tabletops, countertops, and residential or commercial surfaces. For best results, use with water. Color: Mixed (random color, no specific color selection available) Material: Diamond Package Contents: 10 pcs 4 inch diamond sanding pads 2 pcs wool felt polishing pad 1 pc 3/8 inch-11 thread hook and loop backer pad 1 pc drill adapter Note: Light reflection and display settings may cause slight color variation between the image and the actual item. Measurement may vary by +/- 1-3 cm.