It is suitable for industrial use, heavy weight lifting. It is suitable for weighing from 5 tons to 80 tons, which should have a crane width (Span) size 10-35 meters standard. For a lot of space. Because of the height of the site is limited. Double track rails are popular for factories that are not height but more weight. The electric hoists are designed for double beam crane for double beam overhead crane, the secondary use is from single beam overhead crane. Because most of the weight is used, it is suitable for large industrial applications.