Enhance your brass processing with the RCBS Formula 1 Walnut Shell Media, designed specifically for efficient cleaning of cartridge cases. Made from 12/12 sieve walnut shells, this media provides optimal abrasion and cleaning power, ensuring that dirt, debris, and oxidation are quickly removed from your brass components. Treated with special oxides, it offers improved cleaning performance, making it ideal for reloaders seeking reliable and consistent results.This 5-pound supply is compatible with RCBS Sidewinder and vibratory case tumblers, providing extended use and value. The high-quality walnut shells are manufactured in the United States, adhering to strict standards for durability and effectiveness. Regular use of this media can reduce the need for chemical cleaning, saving time and effort in your reloading process. Whether you&';re a seasoned reloader or just starting, RCBS Formula 1 Walnut Shell Media is a trusted choice for maintaining clean and ready-to-use brass cases. Proper cleaning ensures better primer seating, consistent powder burn, and overall improved accuracy in your reloads. Features: * Made from 12/12 sieve walnut shells for effective cleaning * Treated with special oxides to enhance cleaning power * Contains 5 pounds of media for extended use * Removes dirt and debris quickly from brass cases * Compatible with RCBS Sidewinder and vibratory tumblers * Manufactured in the United States of Americatable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 7700 Product Group Code: 7700B Product Sub Group 1: 7700B3 Inactive: No