Series HSD 616 lever Hoist is much different from traditional Series HSH in the inner gear design.The lifting chain can be manually adjusted under no-load conditions,easily operating and high efficiency,which is capable of being widely applied in shipbulding,power plants,transport,construcion-sites,mines,for installing machines,lifting goods,it is used widely in the narrow places,the open air and overhead places for pulling and stretching work at any angle.