I bought this while trying to remove a small one inch dent on my Harley Davison motorcycle tank. Keep in mind that Harley-Davidson tanks in particular are made of very thick steel. Thicker than any car or motorcycle aluminum tank. This thing worked wonders! First, the demolition hammer is heavy-duty. It has a good weight and is very comfortable to wear. It has no instructions so just find some tutorials on Youtube. Basically what you do is apply hot glue to the ends of the little nozzles. They come in different sizes. From there, you can either move the effort in one stroke or do light strokes. You will repeat this process until you are satisfied with the results. It takes time to get the desired results. I would say this is great for small dents. I haven't tried anything else yet, but I'm looking forward to it. There is no glue gun included but everything you need is included. What also helped was the release agent. I just bought non-acetone nail polish remover to protect my polish. I've attached some before and after photos.
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