Shelf brackets are hardware pieces used to support shelves, allowing them to hold weight and remain stable. They come in various designs, materials, and sizes, making it easy to find the right fit for different shelving needs. Common materials include metal, wood, and plastic, each offering unique aesthetic and strength properties. 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. They are widely used in homes, offices, and commercial spaces for organization and display.