How is the slide rail of the hidden two-section drawer installed

Section II installation of rebound slide rail: 1. When installing the slide rail, pay attention to keep the slide rail with 4mm elastic pressure space, so as to realize the effect of opening and closing as soon as the slide rail is pressed and pushed. 2. Put the drawer on the slide rail, fasten the white plastic locking nail as shown in the picture, and the hidden rebound slide rail will be installed. You can press to open and push to close.