Ready-Seal bolt down hardware secures safe to floor to prevent theft; 4-number combination lock with 2 emergency override keys; 4 live door bolts & pry-resistant concealed hinges; 1 adjustable/removable shelf; UL(R) listed for 1-hour resistance to fires up to 1,700deg F while maintaining an internal temperature of less than 350deg F; Includes 2 emergency override keys;Length: 20.30"Width: 19.30"Height: 18.00"Note: Shipped by Truck 'LTL';