FIRMETAL 24x15x4 shelf brackets are built to last with high-grade alloy metal, offering a lifetime rust-free guarantee. Their 90-degree vertical angle ensures stability without any rebound after bending, making them ideal for any heavy-duty shelving needs. Each pair can support up to 1100 pounds, perfect for holding books, tools, and other heavy items securely. The sleek matte black finish adds a modern touch to your space, while the included hardware simplifies the installation process for a sturdy and reliable shelf system.","These brackets are versatile and can be used in various settings such as farmhouse kitchens, garages, basement storage, and backyards. Designed to support shelves up to 30 inches deep, they provide strong, stable countertop support. Whether you're building a mantel, floating shelves, or organizing your workspace, FIRMETAL brackets offer a reliable solution with a professional look and feel. Their durability and strength make them a top choice for both residential and commercial applications.