High quality drawer slides: Made from high-quality, heavy-gauge cold-rolled steel, our slides open and close 100,000 times. Strong and durable, non-abrasive for long time use. The normal lifespan of the slide exceeds 30 years. Soft Close Drawer Slides: Using double springs, pure copper pad, safe and quiet, the drawer closes automatically and slowly to avoid pinching your fingers. Complete and detachable extension: 3-fold slides, the drawer slide is fully extended, so the drawer can be fully pulled out, which is convenient for storing items. There is a green plastic buckle on the back of the slide, and the drawer can be easily removed by pressing it. Rust resistant and smooth: The electrophoretic layer prevents air from directly contacting the rail steel plate to resist oxidation and improve corrosion resistance. Rubber cushion to avoid push and pull collision voices during use, double rows of strong steel balls make drawer opening smoother and quieter. Strong carrying capacity: Made of thickened high density steel, better bearing capacity. It can meet the needs of various household drawers. Suitable for wooden and steel drawer slides, such as cabinets, furniture, dressers, filing cabinets, keyboards, tool boxes and bathroom cabinets.