Sturdy Construction: Made from quality iron, this metal support bracket is designed to provide stable and reliable support for your 12 inch shelf in RVs, ensuring your belongings remain secure during travelRust Resistant Finish: The bracket features a powder coated finish that offers good protection against rust and corrosion, making it ideal for use in humid environments and extending the product's lifespanEasy Installation: The top of the bracket fits into a U Shape slot with an iron wire clip, while the bottom is secured using expansion screw through pre drilled holes, ensuring a straightforward installation processEnhanced Stability: Specifically designed to prevent items from falling due to vibrations or sudden movements while on the road, this support bracket ensures that clothes and other items stay safely in place within your RV closetComplete Package: Each package includes 1 Set metal support bracket along with expansion screw and regular screw Accessories for quick and easy installation on your 12 inch shelf Size Chart: 43.5cmx2.9cmx2.8cm/17.13inchx1.14inchx1.10inch Package Includes: 1 Metal Frame Support 1 Expansion Screw 1 Screw Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.