Product DescriptionRCBS Formula 1 Walnut Shell Media is designed to clean and shine brass cases quickly in a dry tumbler. Made from ground walnut shell and treated with case polishing additives, this media helps remove dirt, residue, and tarnish while restoring brass to a like-new appearance. The 12/12 sieve size supports consistent cleaning performance, including hard-to-reach areas on brass cases. This 5 lb container is a practical choice for reloaders who want fast, effective dry media cleaning from a trusted reloading brand.Product Highlights Ground walnut shell media formulated for fast, effective brass case cleaning and polishing Treated with special case polishing additives to help restore brass to a bright finish 12/12 sieve size promotes consistent cleaning action in dry tumblers Ideal for removing fouling and residue from brass, including difficult-to-clean areas 5 lb container provides ample media for regular reloading bench use Specs Brand Name: RCBS Product Type: Walnut shell case cleaning media Formula: Formula 1 Material: Walnut shell Sieve Size: 12/12 Weight: 5 lb Intended Use: Cleaning and polishing brass cases in a dry tumbler Country of Manufacture: USA UPC: 076683870674 Manufacturer Part Number: 87067 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.