... (normal),600mm,650mm,700mmheight620mm-1000mm adjustableweight80kg100kg120kg140kg.........Load capacity35 pounds per foot,550pounds totally. (50kg per meter, 250kg totally.)2.rollers:2''(50mm) OD ... (Outside Diameter), plastic roller, 11 rollers per section3.Side Links and Connections4.Box Stop Handle5.Couplers6.Heavy ...