[WHY CHOOSE DOOR BRACKETS] If you're looking to enhance your home's security and deter intruders, door brackets for security are an easy to use, budget friendly option for any home. For the safety of your family and a peaceful night's sleep, your door needs an extra layer of protection. [WIDE ADAPTATION] Door security bar brackets provide security for all types of inswing and outswing doors and hinged doors. Perfect for garage, basement, barn, shed, warehouse, backyard, house, gate, etc. [ADJUSTABLE OPENING] The opening of the heavy duty door bracket is adjustable from 0 to 7.56 inches, to fit 2x4 and different bar sizes. [HIGH QUALITY CARBON STEEL U BRACKET] Door security bar bracket is made of high quality and heavy duty steel. The thickness of the bracket is 4mm, which is 50% thicker than other models, so it is more robust and durable. Industrial grade coating prevents rust and corrosion, suitable for both indoor and outdoor use. [PACKAGE CONTENTS] These door brackets for security include 2 pcs adjustable u shape brackets (Black). LUMBER IS NOT INCLUDED. Color: Black Material: Metal Package Contents: 2 x door 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 to appear slightly different from the real thing. The measurement allowed error is +/- 1-3cm.