General description These 100 pieces of 125 mm Velcro sanding discs are designed for use with random orbital sanders. The set includes a variety of grit options, providing versatility for different sanding tasks. With 20 discs each of grits 40, 60, 80, 120, and 180, these discs are suitable for various materials including wood, plastic, stone, glass, and metals. Technical specifications Diameter: 125 mm Number of holes: 8 Grit options: 40, 60, 80, 120, 180 Material: Aluminum oxide Usage Ideal for grinding and polishing various materials. Effective for removing rust, peeling paint, deburring, and grinding weld spots. Suitable for processing large curved surfaces.