... bottom panel Product Name: Tandembox with silent system(Pull-out system) for variable drawer widths Quicker assemblyLength:270,300,350,400,450 ... 30kg, static load capacity 35kgsSilde-on assembly-simply place the drawer on the slides and push forward.Silent system-The integrated ... ball tracks.Full extension runner Silent System 85mm Tandem box drawer with silent system(Pull-out system)