The WOODSTOCK 8" Aluminum Oxide Sanding Discs are a set of 12 discs, each with 120 grit for medium sanding. The discs are made with high-quality aluminum oxide material for durability and effective sanding. With a pad length of 8 inches, these discs are perfect for various sanding projects and can be used with a variety of tools. Made in Taiwan by the reputable brand Woodstock, these sanding discs offer reliable performance and quality for your woodworking needs.