I have had this one for about 8 years now and never had a problem. I used it for making body jewelry back in the day but since I don't really do that any more I have no real use for it. I would normally tumble polish stainless steel using a metal medium shot and a burnishing compound in liquid form. But I have tumble some screws and things like that with walnuts and it works great as well.

However I really don't use it any more so if anyone is interested lmk. I paid $250 for it back in the day. Not looking to get that out of it. If your interested pm me.

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