Clean, attractive brass should be the goal of every reloader.Frankford's walnut hull media ensures long life for the most valuable component of your ammunition, helping to reduce wear and tear on your expensive reloading dies, not to mention the chamber of your firearm..Type: Cleaning MediaCaliber: AllSize: 5 lbsQuantity: 1Weight: 5 lbsFunction: Cleans BrassMaterial: Walnut ShellMedia Type: Walnut Hull