I fill my tube with pins, brass, then soap, lemi shine, and add water just 2 inches below the top.
tumble 2 hours.
No damage to brass, no peening, no nothing.
Water dampens it all. If you let brass and pins fall on each other with no water, you will get damage. I don't get any damage.
tumble 2 hours.
No damage to brass, no peening, no nothing.
Water dampens it all. If you let brass and pins fall on each other with no water, you will get damage. I don't get any damage.


















































