The Vevor 36" drawer slides are built for heavy-duty applications with a 500 lb load capacity and durable cold rolled steel construction. Their 3-section full-extension design allows complete drawer access for cabinets, industrial storage, commercial equipment, and vehicle installations. Dual lock-in and lock-out functionality helps keep drawers securely positioned when open or closed. Ball-bearing action and a nylon buffer support smooth, quiet operation. Installation hardware is included for convenient setup.