*KeyFeatures *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. ******************************************************************************************************* *Specifications Model: 30201B.533-10 Main Material: Carbon Steel Static Load Bearing: 100 lbs / 45.4 kg Dynamic Load Bearing: 80 lbs / 36.3 kg Fits Drawer Length: 21 inch / 533.4 mm Quantity: 10pcs Product Dimensions: 21.54 x 2.4 x 2.13 inch /547 x 61 x 54mm ******************************************************************************************************* *Pakcage Content Drawer Slides x 10 Handles x 20 Self-tapping Screws ST3.5x11 x 1 Pack