Walnut shell media is the fastest way to clean and shine your brass in a dry tumbler. RCBS' Formula 1 walnut shell media is ground to 12/12 sieve size" and treated with case polishing additives - perfect for cleaning your brass quickly to like-new condition!
Features:
Treated with case polishing additives
Walnut shell media
Features:
Treated with case polishing additives
Walnut shell media