These 500 grit silicon carbide sandpaper sheets (9x11 inches, 25 pack) are designed for both wet and dry use. Their fine grit is ideal for smooth finishing on wood, metal, automotive surfaces, and delicate crafts. Durable and waterproof, they provide consistent results for precision sanding, restoration, and electronics work. Compatible with standard sanding blocks, these sheets help achieve professional-quality finishes with ease.