High-quality materials: The door lever is made of iron, industrial-grade black powder coating, smooth edges, sturdy and durable, not easy to break or fade, durable for long-term use. Perfectly designed heavy-duty security bracket: Door protection bracket for standard 2 x 4 inch wood (standard 2 x 4 inch wood is 1.5 x 3.5 inches). Extra thick metal thickness is enough to prevent forced entry. Used for door reinforcement and home security to protect your personal safety and property (security bar not included in delivery) Multiple Use: The door bar security bracket can also be used to secure front doors, cellar doors, garage doors, warehouse doors, garden doors, valley doors, barn doors, shed doors and other types of home doors to protect your personal safety and property security. Easy Installation: Effectively secure your door with the included premium screws, choose the desired height, mark, drill and fix - Reinforcing your home has never been easier 【Complete Accessories】--All