Description RCBS Formula 1 Walnut Shell Media RCBS® dry media can be used in both Sidewinder and Vibratory case cleaners. FORMULA 1 Walnut Shell is ground to a 12/12 sieve size; Formula 2 is Corn Cob. RCBS Item # 87067 WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to – www.P65Warnings.ca.gov.
