This is an easy one, but can really do a great job getting the steel up to temp for heat treating. I used one map gas and one propane, but two propane bottles would work well too, just take longer.

The electric mini forge:    • Mini Forge / Heat Treat Oven Experiment  

Make This Folding Knife With Basic Tools:    • How to Make a Folding Knife with Basi...  

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