Try these high quality diamond belts on your upright belt sander and you'll never go back. Manufactured by Abrasive Technology, the plated diamond belts are the same high qualtiy material the the Expanding Drum Diamond belts are made of. Long lasting with a high cut rate and consistent surface, these belts will give you a reliable surface. The joints on these belts are guaranteed for life and will be repaired if they fail from normal use. These belts have a 4 week lead time.