I bought these wire brushes to use a dremel to remove paint from window hardware. They didn't remove paint down to bare metal and wore out quickly. I thought I could use them instead of heating and scraping them but the paint didn't come off. At first I thought the brush would work because I could feel the shavings flying and hitting my arms and face. But it turned out that not the crumbs flew away, but the wire brushes flew out of the cup. I used the dremel at the lowest speed - apparently I was pushing too hard. I passed three of them in a few minutes. I'm giving this 3 stars because it may not have been the right application for this product. When I realized it wasn't working I used a heat gun and scraper on a few pieces of metal and then used a wire brush to scrape the metal and scrape off the tiny bits of paint. It worked for that, but didn't work for what I really wanted.
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