This will not harm any metal or primer and will not stress brass, no Ammonia, no buildup. This is suitable for corn cob, walnut or other media and cuts tumbling time in half and cleans polishes and protects brass, nickel and copper and is eco-safe product.
Safe for all metals and primer, cleans and polishes brass, copper and more
Suitable for corn cob, walnut or other media
Superior polishing product for use in tumbler machines