Install these Heavy Duty Drawer Slide Rails on a pullout shelf to store heavy stuff or on the back of your Jeep to build a cooking galley, and you will be impressed by their functionality and convenience. Our drawer slides feature a robust ball bearing design for smooth movement and a lock function for preventing track accidents. Best of all, these locking drawer runners boast a reinforced zinc coating on the surface, making them rustproof and waterproof, and buffering pads for avoiding push-pull collisions. Made of high-quality steel plates, these heavy-duty drawer slides can bear a weight of up to 125kg. These merits contribute to the wide application of our sliding drawer rails. You can use them for goods shelves, cabinets, industry-used drawers, RVs, trucks, etc.