This is a custom leather burning metal brand for leather or wood working. Attached are a couple of examples of the mark from the heavy duty soldering iron. Available online here at Amazon: https://www.amazon.com/gp/product/B00B3SG796.
The leather burning brand is created from your custom artwork in a JPG, PNG or AI format. Here is a quick demo about creating the design and emailing it in to me at email@example.com