The MBF5922 from the Mesa Safe Company is constructed from steel and has a manufacturer's 1 hour fire rating up to 1750 degrees. The steel body has an overall thickness of 1.5 inches and massive 1 inch thick solid steel live locking bolts. There are four anchor holes on the bottom of the safe to secure it to the floor. The interior is fully upholstered with an adjustable shelving system, this safe can store up to 14 guns. The interior storage space is 7.9 cubic feet.