The Norton 02049 WallSand 220 Grit Drywall Sanding Screen is a high-quality abrasive material made of Silicon Carbide, ideal for grinding and sanding tasks. This 10-pack of black sanding screens features a very fine 220 grit rating, with dimensions of 4-3/16" x 11-1/4". Manufactured by Norton, a trusted brand in the industry, these screens are designed for efficient sanding in various home and garden applications. Made in China, this product ensures durability and reliability for your sanding projects.