Triple Spur Gear Type Chain Pulley Blocks have the ability to lift 1 to 20 tons of weight. These Chain Pulley Blocks are offered in triple spur gear type construction to ensure durability of operation. These Chain Pulley Blocks are made up of corrosion resistant heavy metals that ensure optimum performance for longer period of time. Triple Spur Gear Type Chain Pulley Blocks are used in factories, stores and warehouses for packing of goods.