Heavy-duty steel shelf bracket kit — supports up to 450 lbs High load capacity: Multiple steel brackets work together to support up to 450 lbs, keeping shelves stable under heavy loads. Compatible plank size: Designed for shelf widths from 10.5 inches to 13 inches, fitting a wide range of wood, composite, or metal planks. Durable material and performance: Made from high-strength steel with heat resistance, pressure resistance, and corrosion resistance for long-term outdoor or indoor use. Easy to install: Requires only a few common tools. Mounting hardware is included in the package (extension screws and standard screws) to simplify setup. Versatile applications: Use the assembled brackets as a bookcase, kitchen shelf, display stand, garden shelf, outdoor wall bracket, or garage shelf. Why customers need this kit Solves stability problems for heavy or bulky items by providing a robust support system rated for substantial loads. Works with commonly available board widths (10.5"–13"), so you can pair it with standard planks without custom cutting. Built to withstand environmental stress and everyday wear, reducing the need for frequent replacements. Practical use scenarios Kitchen: Mount sturdy shelves to hold multiple heavy cookware items, spice racks, or appliance storage without sagging. Garage or workshop: Create organized storage for tools, paint cans, and equipment that require strong, reliable shelving. Outdoor/garden: Install weather-resistant shelves for potted plants, garden tools, or outdoor decor that can tolerate heat and moisture. What’s included Steel shelf brackets (as shown) Extension screws and standard screws provided in the package for immediate installation Notes Designed for shelves 10.5–13 inches wide and for combined bracket load capacity up to 450 lbs. Follow basic installation instructions and use appropriate anchors for your wall type if needed.