RCBS Formula 1 Walnut Shell Dry Media is a top-tier cleaning solution for reloaders who demand spotless brass. Designed for use in both Sidewinder and Vibratory case cleaners this walnut shell media is ground to a precise 12/12 sieve size making it highly effective at reaching and cleaning hard-to-access areas of brass casings.The finely ground walnut shell is tough on residue yet gentle on brass ensuring your cases are thoroughly cleaned without damage. Whether you're preparing brass for reloading or maintaining its appearance RCBS Formula 1 Walnut Shell delivers exceptional performance leaving your brass cases looking like new. Keep your reloading process efficient and your brass pristine with this reliable cleaning media. Order yours online today!Shop more reloading supplies here!