These are a legit way to do it. But you could also just buy an alphanumerical punch set from Harbor Freight for a few bucks and stamp your private key onto any piece of metal that you want.
Exactly. It's a nice idea but they're way overcharging for it. You could get an alphanumerical punch set from Harbor Freight for about $12 and stamp your private key on any piece of metal that you want.
