I had to learn how to clean dents and repair panels on vintage tractors that I buy/sell. It comes with an old Kohler engine cover with a few dents. I've used these tools to remove most dents and warps in just a few minutes. The tools are lightweight but have a bit of a soft metal feel to them, but for the price, can't complain. The kit includes several parts that make it easy to choose the right radius dolly, as well as a semicolon dolly which is a rare find in the set. overall satisfied with my purchase.