the 3 step ladder 1.Aluminum ladder 2.High quality aluminum 3.Hard program and safe to use the 3 step ladder Opened Size(mm)635*415(475)*1130Hight Between Two Steps(mm)248Loading Capacity(kg)150Top Step To Ground(mm)730PCS/Carton4Carton Size(cm)125*18*33(51)N.W/Carton(kg)12G.W/Carton(kg)15.2