Well-designed barricade bracket: Provides excellent security for entrance doors, windows, barns, sheds, etc. Barricade brackets: Suitable for 2 x 4 beams. A simple and cost-effective measure to stop intruders and burglars. Heavy-duty security brackets: Made of durable 3.2mm thick high-strength steel, ultra-strong and sturdy, long service life, with rust-proof black powder coating for optimal protection. Wide application: Ideal for securing garage doors, entrance doors, basement doors, barn doors, castle entrances, chicken coop doors, garden gates, sheds, warehouses, fence gates, bars, etc. Easy installation: The door lock bracket of security kit includes 2 door brackets and 6 screws.