[Security]high quality carbon steel door stoppers security bar,industrial grade forging process,which the bracket is strong enough. Upgrade U-shaped Design - U-shaped design plus reinforce sturdy base,can be installed on any exterior door to prevent or delay entry during a . [Fit For 2 X 4 Lumber] designed to fit lumber of 2x4,Industrial Grade Black Coating Finish,long-lasting rust-proof for indoor and outdoor use,Ideal ,barn,shed,garage,gate,stable,etc. Quick and Easy Install - Within minutes your home will be more . Simple drilling is required and each drop bar holder bracket has tooling holes for easy tool accessibility. Wide Application - This Door Security Bar Bracket provides great security for all types of or outswing doors,Ideal for garage,,barn,shed,warehouse,backyard 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 in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.