8 lbs or 3.6 kg Ground Walnut Shell Media 18-40 Grit - Fine Walnut Shells for Tumbling, Vibratory Or Blasting

This medium works well on soft metals such as copper and brass. I like it, and the price is good

Shipping a bit slow, but good price.

I used these to carbon clean the intake valves on my B7 RS4 and they worked fantastic. I would and will buy again when the next carbon cleaning comes around the bend...

The media could not be loaded. Gave a nice shine, but... This media is a wide mix, from granules, to a micro and fine powder that fills the air like smoke. If you use this in a Brass tumbler it'll mist the area in a film as this floats around.But worse, it sticks to the inside of the cases. I used it on a hundred or so 300 prc brass and I'm going to have to wash every case out to make sure the media is gone. I can smack this on the counter and they are still stuck all around the insides of every case.Do not use it for Bullet Casings!Note: says not to breathe it in, but it goes everywhere if you use it in a tumbler.

will have to further use the product to finally answer

works good on lightly rusted surfaces

Probably my mistake for buying media that is too fine. It creates lots of dust that then has to be removed from the brass. It just doesn't meet my needs.

good