100lbs Outstanding Load Capacity: Our galvanized steel design supports a 100lbs weight capacity, clever space configuration, and corrosion resistance. Choose us for quality design and create a beautiful, hassle-free home. Silent Soft Close: A gentle push results in automatic closure, with springs on both sides ensuring a seamless and smooth closing. The dampening hydraulic cylinder provides automatic rebound, and it comes with a 3D adjuster and metal plate for precise calibration, making it suitable for American-style cabinets. Three-Stage Full Extension: No need to search for items - our three-stage full extension drawer design allows for easy and clear access to your belongings. Compared to two-stage designs, it completely eliminates blind spots, making operation more convenient. 3 Universal Sizes: Available in 15", 18", and 21" universal sizes, compatible with various mainstream drawer slide brands, offering flexible replacement options. Installation Guidance: Easily address the pain points of using bottom-mount concealed drawer slides, suitable for drawer side panels with thicknesses of 1/2 inch and 5/8 inch, making the installation process simpler and avoiding unnecessary hassles.