This Norton 66261183807 PSA Sanding Disc Roll is a reliable choice for your metalworking needs. With a diameter of 5 inches and 100 disks, this sanding disc roll is perfect for those who need a precision sanding job done. Made by Norton, a trusted brand in the industry, you can be assured of its quality. Ideal for use in business and industrial settings, this sanding disc roll is suitable for a variety of metalworking applications.