Student Guide to Using Canvas Quizzes for Exams Stanford University RCBS Formula 2 Corn Cob Media 4 lb for Brass Case Polishing and Cleaning. The RCBS Formula 2 Corn Cob Media is an effective and natural solution for cleaning brass cases. Made from ground corn cobs, this media provides a gentle yet thorough cleaning process that results in a high luster shine. Its untreated formula ensures a natural polishing process, making it ideal for shooters and reloaders seeking a non abrasive cleaning option. The 4 pound quantity offers extended use, suitable for multiple cleaning sessions without frequent replenishing. Compatible with RCBS Sidewinder and vibratory case tumblers, it seamlessly integrates into your reloading routine to maintain the quality and appearance of your brass cases. Features: * Made from ground corn cobs for efficient cleaning * Untreated formula for a natural polishing process * Provides a high luster shine to brass cases * Compatible with RCBS Sidewinder and vibratory tumblers * Contains 4 pounds of media for extended use Item Category Code: 7700 Product Group Code: 7700B Product Sub Group 1: 7700B3 Inactive: No