Chain Links Lever Block is rated from the main weight of 250 kg, 500 kg, 750 kg, 1500 kg, 3000 kg, 6000 kg, 9000 kg. It is applicable to factories, mines, construction sites wharf, transportation. It is the most perfect tool in equipment installed, the lifting of the goods, fixed objects, binding and an ideal vehicle traction, especially show its superiority in the traction with any angle direction or in the small space and in the open air, and no power operations.