
If you're expecting them to be made out of some kind of eternal cosmic slimy unobtanium that lasts forever, they're not. BUY THEM EVERYWHERE! They work well for a number of things I've never thought of. The trick is to make them permanent, don't pressure them. Just point to the tool. Don't push. If you have to press, you're using the wrong abrasive for the job. I had them remove surface rust, RTV seals and pitting in aluminum engine parts. They worked fine for the most part. I have found several uses for them and find them good value for money.

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