Equipped with a combination lock. Heavy gauge steel. Heavy-duty 1-inch locking and dead bolts. One hour fire safe and water-resistant. Automatic locking when door is closed. Bolt down kit included. Global Product Type : Safes-Fire Safes Lock Type : Combination Capacity (text) : 0.85 cu. ft. Material(s) : Steel Color(s) : Graphite Fire Rating : ETL Verified 1 Hour Inner Width : 13" Outer Width : 18 1/2" Outer Depth : 19" Outer Height : 14" Inner Depth : 13" Inner Height : 8 3/4"