Material: The door latch is made of high quality iron to ensure that the bracket is strong enough. Features: U-shaped design and reinforced sturdy base, can be installed on any exterior door to prevent or delay break-ins. USAGE: Simple drilling required, each open rod bracket has tool holes for easy access to tools. Application: This door security bar bracket provides excellent security for all types of swinging or exterior doors, perfect for garages, basements, barns, sheds, warehouses, gardens and more. Package includes: 2 door brackets, ideal for reinforcing doors or door barricades. Note: The data are all manually measured, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.