Clean your dirty and tarnished cases with help from the Lyman Turbo® 2 lb. Case Cleaning Media. This corncob media produces a factory-like finish and helps eliminate the abrasive and wax films often left by other forms of media. Compatible with the Lyman Turbo Tumbler, this media helps restore your cases' original shine. Lyman Turbo 2 lb Case Cleaning Media - Reloading at Academy Sports