Cable drum set, standard lift system, max door height 5570mm / 1" shaft

Cable drum set, standard lift system, maximum door height of 5570mm, with 1" shaft hole. Lifting cable provided with aluminium cable sleeve can be hooked into camber of the drum, or passed through drum and fixed with hollow-head screw. Easy cable length adjustment. Drum fixed to shaft through the key by 1 screw hollow head M8.