To ensure the safety and security of your family, Petra Steel has introduced a distinctive line of residential steel doors. These doors are built to last a long time, be safe from termites and fire, and be kind to the environment. They combine the grandeur of wood with the robustness of steel. Our Items: With a 46mm thick shutter, two powerful tower bolts, a lever lock system, and a peep hole, it is suitable for both indoor and outdoor use and offers total security. For enhanced security, a secondary lock is an optional feature.