These small, often metal or plastic, fasteners provide a crucial function: maintaining the level and stability of shelving units. They are designed to fit into pre-drilled holes or be surface-mounted within cabinets, bookcases, or other shelving systems, providing a secure resting point for shelves. Examples include the standard peg-style supports, as well as L-shaped brackets or clip-on varieties, all readily available at a major home improvement retailer.
The significance of these components lies in their ability to prevent shelves from sagging, tipping, or collapsing under weight. They offer a reliable and cost-effective solution for optimizing storage space and ensuring the structural integrity of shelving. Historically, variations of these supports have been used for centuries, evolving from simple wooden pegs to modern, engineered designs that can bear significant loads. Their readily available nature facilitates both new construction and repair projects.