... rectangular tube.2.With overload safety protection system.3.The work platform can be extensible to increase working time and capacity.4 ... .9.Working heights rangs from 4m,6m,8m,9m,10m,12m,14m.10.Platform is equipped with a level warning device (the ... in material handling equipment,such as scissor lift platform,arm lift platform,dock leveler,forklift,aerial flood lights ,ect,and our products sell ...