Tennessee Combination Fiat is a type of safe that is designed to be both fireproof and burglarproof. It is constructed with a fire-resistant steel outer shell, and the inside is lined with a fireproof material. The door is made from a thick steel plate and has several locking mechanisms, including a combination lock. The interior also has shelves, drawers, and other compartments for secure storage of documents, jewelry, and other valuables. There are different models of Tennessee Combination Fiat, including the Classic, Supreme, Executive, and Platinum models. All models offer high security, with the Platinum model featuring an additional reinforced steel plate on the door for enhanced protection.