... magnetic path made by NdFeB magnets, self small size and light weight, offers a great return for cost & ... performance, has long-period powerful lifting, easy and safe operator with power on or off controlling by turning ... 100kgs, 300kgs, 600kgs, 1000kgs, 2000kgs, 6000kgs.Applications:Lifting and transport steel and iron in factories, docks, warehouses, transportation, etc. 300kgs magnet ...