Induction heaters are definitely one of the most efficient way of heating metal objects specially ferrous metals. The best part about this induction heater is that you dont need to have a physical contact with the object to be heated.
There are a lot of induction heater kits available online but if you want to learn the basics of induction heating and want to built one that looks and performs exactly like a high end one then keep going through this instructable as I will show you how an induction heater works and where you can source your material to built one for yourself that looks like a professional one.”