High Quality MaterialThe drawer slides are made of high quality cold rolled steel. Each drawer slide is 14mm thick. 100,000 push-pull tests without damage. Easy InstallationThe full-pull sliding rail drawer adopts sturdy ball bearings, which is easy to install. Includes mounting screws. The maximum load capacity of the drawer slides is 45 kg. Smart DesignThe rubber stopper of the drawer slide can prevent it from opening automatically. You have to press a button to open or close the drawer. Drawer slides lock when fully extended or closed, keeping your drawers stable and secure. [Scope of application] The drawer slides are made of high-quality ball bearings. Drawer rail systems are suitable for mechanical cabinets, storage cabinets, industrial cabinets, van/truck drawers, sliding doors/windows/furniture. Quality GuaranteeOur drawer slides offer you 100% quality assurance. If you have any questions, please feel free to contact us. We will get back to you within 24 hours.