The Vevor drawer slides with lock are heavy-duty side-mount slides designed for demanding storage and equipment applications. Built from cold rolled steel with a zinc-plated finish, they support up to 500 lbs and provide a 3-fold full extension for full drawer access. The lock-in and lock-out design helps keep drawers secure, while dual ball bearings and a nylon buffer promote smooth, quiet operation. These slides are suitable for cabinets, industrial drawers, RVs, trucks, and vending machines. Installation hardware is included for setup.