The United Abrasives UA SAIT 1-1/2″X50′ Aluminum Oxide Shop Roll 83216 is a high-quality abrasive product designed for industrial use. With a size of 1-1/2 inches x 50 yards and a grit of 320, this shop roll is perfect for metal and wood applications. Made from durable aluminum oxide material, this product ensures a long-lasting and effective sanding experience. The package includes 1 shop roll, providing a convenient and versatile solution for various sanding projects in a shop or industrial setting.