Well-designed barricade bracket: Provides excellent security for house doors, windows, barns, sheds, etc. Barricade brackets: Suitable for 2 x 4 beams. A simple and economical solution to stop intruders and burglars. Heavy-duty security brackets: Made of durable 0.125" thick high-strength steel, ultra-strong and sturdy, long service life, rust-proof black powder coating for rust protection. Wide application: Perfect for securing garage doors, front doors, cellar doors, barn doors, castle entrances, chicken coop doors, garden gates, sheds, warehouses, fence gates, bars, etc. Easy installation: The security door lock bracket includes 2 door brackets and 6 screws.