... installation 2.+2mm height adjustable 3.Load Rating:25kg Soft-closing,Invisible, Full extention slideFunctin Specification:1.Load Rating:25kg 2 ... .Slide can remove dust,no need repair.4.Self and soft-closing function make the drawer slose safety without effect of weight.5 ... .No need for tool to install and uninstall the drawer.8.With soft-closing function.9.Length:250mm,300mm,350mm,400mm,420mm ...