Multi-Grit 2-Inch Sanding Disc Set: 200 discs total across 10 grits (80, 100, 180, 240, 600, 800, 1000, 1200, 2000, 3000). 20 discs per grit. Includes a 1/4 inch shank backing pad. Ready to use for sanding, polishing, and finishing. Premium Durability: Made from high-quality aluminum oxide for long-lasting performance and faster material removal. Universal Compatibility: 2-inch hook-and-loop design fits most die grinders, air grinders, electric drills, and rotary tools. Not compatible with adhesive-backed pads. Versatile Applications: Suitable for grinding and polishing metal and non-metal surfaces with complex rust. Works on bare wood, painted surfaces, metal, aluminum alloy, rubber, leather, plastic, stone, glass, and similar materials. Use Scenarios: - Remove rust and smooth metal surfaces on automotive parts. - Sand and finish painted or bare wood furniture. - Polish aluminum trim or plastic components to a smooth, even finish.