The Dynabrade 3/4" x 18" 80 Grit Coated Aluminum Oxide Medium Abrasive Belt features aluminum oxide abrasive grains, known for their durability and consistent cutting across various materials. The medium 80 grit specification offers an effective balance between material removal and controlled surface finishing, catering to diverse sanding needs. Its suitability for both wet and dry sanding applications adds versatility, allowing for its use in a range of conditions. The belt's design maintains stable cutting performance over extended periods, reducing the need for frequent replacements.