[Security] High-quality carbon steel door stoppers security bar, industrial-grade forging process, ensuring the bracket is robust. Upgrade U-Design - The U-design with reinforced sturdy base can be installed on any exterior door to prevent or delay entry. [Fit For 2 X 4 Lumber] Specially designed to accommodate 2x4 lumber, featuring an industrial-grade coating finish for long-lasting rust protection, suitable for indoor and outdoor use, ideal for barns, sheds, garages, gates, stables, etc. Quick and Easy Install - Your home will be more secure within minutes. Simple drilling is needed, and each drop open bar holder bracket has tooling holes for convenient tool access. Wide Application - This Door Security Bar Bracket offers excellent security for all types of doors, perfect for garages, basements, barns, sheds, warehouses, backyards, and more. Size: 14cm Material: Metal Colour: Black Package Contents: 2 x Door Barricade Brackets Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.