Chain pulley blocks are lifting tools which are available in different ratings. Basic purpose of a chain pulley block is to lift and lower objects especially heavy ones used in industrial settings with the goal to place or bring them near the location where they are needed. Power driven as well as hand operated versions are there. Different designs are available with capacity from 0.3ton to 5 ton. and up to a capacity of 25 tons.Specifications include lifting capacity, lifting height, lifting speed and rail beam size. Small LT motors of rating1.1-3 KW are used for driving. they help a great deal in Installation and maintenance of amchinery.