1. quality materials: The softclose drawer slides are crafted from materials. The galvanized surface prevents oxidation and rust, enhancing corrosion resistance. Thanks to the quality material and industrialgrade design, these drawer slides have passed over 100,000 openclose tests, ensuring longterm durability. 2. Automatic closing buffer device: The floormounted drawer slides feature hydraulic damping, reducing noise during opening and closing. The drawer closes automatically and gently to prevent finger pinching. Continuous bearings ensure smooth and quiet operation. Floormounted rails eliminate the side wobbling issue common with sidemounted rails. 3. Threestage fullextension drawer slides: These threepiece fullextension drawer slides provide effortless and clear access to your items. The triple ballbearing design allows the drawer to be fully pulled out, making storage more convenient. The rails can also be concealed for a sturdier and more aesthetically pleasing finish. 4. Removable handle clip: The strength nylon material inside the package forms a detachable system with the rails, simplifying installation. It can be easily removed when not needed. With a maximum load capacity of 40 kg, these slides are suitable for drawers, cabinets, nightstands, kitchens, and other furniture applications.