Rick Wittrig designs each Fire Pit from one quarter inch (6.35 mm) thick carbon steel. They have an iron oxide finish/patina on the outside. The interior is coated with a high temperature resistant paint and has an 1-1/2″ rain drain in the bottom.

Seth Dixon, Ph.D.‘s insight:

This would be just about the coolest thing ever.

See on shop.firepitart.com