Door security bar is a complete set. This intruder door stopper includes closed bar and open bar holders and relative screws. The door security jammer prepared complete accessories to avoid wasted time and unnecessary extra costs for your separate purchases. The door security pole also avoids the problem that separated purchased screws may not match. <br> 7 screw holes can effectively support and fix the bolts, 2 more screw holes than the general product, to ensure your safety. <br> The surface of this product is covered with a protective film to prevent any accidental damage during transportation. Laser cutting, the edges have been finely polished.<br> The product is produced from marine grade Aluminum and will never rust.<br> Our products were checked manually to ensure quality and consistency. 60 days money back guarantee if you are unsatisfied for any reason.2x4 door barricade brackets security door lock bracket brackets fits 2x4 board security door barricade brackets for doors 2x4 bar holder brackets jam door security stick brackets bar lock safety stopper jam drop barricade