High carbon steel door stoppers security bar, made with industrial forging process for strong and durable construction. Upgrade U-design with reinforced sturdy base, can be installed on any exterior door to help prevent or delay unauthorized entry. Designed to fit 2x4 lumber. Industrial coating finish provides long-lasting, rust-resistant performance suitable for indoor and outdoor use. Ideal for barns, sheds, garages, gates, stables, and more. Quick and easy installation – secure your home in minutes. Simple drilling required. Each drop-open bar holder bracket includes tooling holes for easy accessibility. Wide application – provides enhanced security for various in-swing and out-swing doors. Suitable for garages, basements, barns, sheds, warehouses, backyards, and other locations. Size: 14cm Material: Metal Color: Black Package Contents: 2 x Door Barricade Brackets Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement allowance is +/- 1-3cm.