Usage Tips:[Security]high quality carbon steel door stoppers security bar, industrial grade forging process,which the bracket is strong enough.<br> 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 .<br> [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.<br> Quick and Easy Install - Within minutes your home will be more . Simple drilling is required and each drop open bar holder bracket has tooling holes for easy tool accessibility.<br> 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.<br> size: 14cm<br> Material: Metal<br> colour: black<br> Package Contents:<br> 2 x Door Barricade Brackets<br> Only the above package content, other are not included.<br> Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.