Shelf brackets are hardware components used to support shelves, allowing them to hold weight and remain stable. They come in various designs, materials, and sizes, making them suitable for different types of shelves and decor styles. Common materials include metal, wood, and plastic, each offering unique aesthetic and strength characteristics. These brackets are typically mounted to walls or other surfaces, providing a sturdy base for shelves to rest upon. Proper installation is crucial to ensure safety and functionality, as poorly installed brackets can lead to shelf collapse. Home improvement enthusiasts often choose decorative brackets to enhance the visual appeal of their shelving.