Material : Aluminium Fold height:78cm and Opened height:380cm Distance between two step: 30.5cm Packing :protective membrane + polyfoam+CTN CTN Size:75x52x11cm QTY/CTN : 1 PC NW : 10kgs / GW : 11kgs Weight Capacity:150KGS Volume: 736pcs/20 FT / 1472pcs/40GP / 1664pcs/40HQ