Our top-quality Strip Sander Belts are made with a durable, open coat Aluminum Oxide material that is both fast-cutting and resistant to loading for longer life. Shopsmith Strip Sander Belts feature a unique industrial-grade backing that provides long-lasting performance while still maintaining the flexibility necessary to sand even the finest of details to perfection. 5-Pack Includes: (1) Each 80 Grit, 100 Grit, 150 Grit, and (2) 220 Grit 1/2" x 42" Aluminum Oxide Strip Sanding Belts