Diameter: 125 mm Hole: 8 holes Grit: P-40, P-60, P-80, P-100, P-120, P-150, P-180, P-240 These sanding discs are ideal for grinding, polishing, and removing rust, paint, and burrs on different materials such as wood, plastic, stone, glass, and metal. With a total of 80 units, including different grits of sandpaper, these discs are easy to replace and fit different brands of 125 mm orbital sanders. Additionally, they feature 8 holes for efficient dust extraction, making the work easier. Improve your results with these quality sanding discs!