【SHUHANG Double Spring and Pure Copper Damper】SHUHANG drawer slides with soft close, push and pull easier, making your drawer automatically closed, quiet and noiseless. Lifetime 20 years: the number of opening and closing the drawer exceeds more than 100,000 times, normal use. Load capacity: 45 kg. Drawer slide with ball bearing: 300 mm. Not a full extension. Requirements: The installation space on both sides of the drawer should be 12.5mm x 2. Drawer slides (1 pair). Screws included. Removable: There is a black plastic buckle on the back of the sliding rail, and the drawer can be easily removed by pressing it. Installation and cleaning aspect. Tip: The products are metal products, please protect your hands. It is recommended to wear gloves for installation.