General description These 50pcs round sanding discs are designed for both wet and dry sanding applications. Made from high-quality silicon carbide and aluminum oxide, they offer excellent performance for various materials. Technical specifications Diameter: 125 mm Grain types: 3000, 4000, 5000, 7000, 10000 Material: Silicon carbide and aluminum oxide Features: Anti-blocking, anti-static, wear resistance, good flexibility, long service life Usage Suitable for sanding paint, varnish, plaster, coatings, wood, plastic, bodywork, and surface finishing.