... by height Part No.Part NamePart FunctionOptional size(mm)1ESD Light-duty Table SupporterSteel table support, 500KG weight loading1200,1500,1800 ... ,1530,1830,2000,22803ESD Perforated Tubular FrameOrganize functional parts and dual benchLength:870,1100,1359,1600M type, 2M type, 3M type4ESD ...