Rubbermaid 0.66 in. W X 17.3 in. L Steel Support Brace/ Wall Anchor W/Drive Pin

Rubbermaid direct mount closet shelf support braces are the ideal way to securely attach shelving in a fixed direct mount position on most walls. To use, simply install a brace every 3 feet along your shelf and within 5 inches of each open end for durable support.