The drawer slide rail adopts locking design, which can prevent sliding when driving or moving. Press the blue button to open the drawer. When fully extended or closed, it will lock. Easy to control and secure, keep your drawer stable and safe. 3-fold fully stretched drawer slide rail. Powerful ball bearings can keep drawers sliding smoothly, even when carrying heavy items. The drawer slide rail can easily carry 120kg, and has passed 100,000 tensile durability tests. Note: The longer the load, the lower the weight. Please check the pictures of each size. Press and hold the easy-to-install blue button to separate the third runner. Side mounting design. Installation clearance on each side: 19 mm. Note: Mounting brackets and screws are not included. Professional industrial drawer slide rails are used for the shelves of trucks, SUVs, trucks, campers, vending machines, safety drawers, exhibition drawers, heavy cabinets, industrial drawers, slide-out storage or kitchens. Galvanize to prevent oxidation and rust, and keep the drawer slide rail clean and durable., Weight: 7.054792384 Pounds, Manufacturer: JKODE