1、High load capacity, its maximum load capacity will be 100 pounds and it can support heavy drawers. 2、With a width of 45mm, it can adapt to the same type of drawers and bear a reasonable load. 3、3-fold full extension ball bearing, it can extend longer when the drawer is pulled out. 4、The set includes 10 pairs of slide rails, which can accommodate 10 drawers. 5、Cold-rolled steel material, it can ensure that the drawer can be opened smoothly without being hindered by too much resistance. English: Item Type: Drawer Slide Width: about 45 mm/1.8 in Maximum load: 100 lb Material: Cold rolled steel, double-row solid steel balls Surface treatment: Electrophoretic black Material thickness: about 1.2 mm/0.05 in How to use: 1. Open the package. 2. When installing the drawer slide rail, the inner rail must be removed from the main body of the drawer slide rail. The disassembly method is also very simple. There will be a spring buckle on the back of the drawer slide rail. The rail is removed. 3.