Chain Pulley Block offered features load sheave with roller bearing support and has double pawls that allow supporting fail-safe brake mechanism. Coming with a high safety factor, these pulley blocks also come with an optimized transmission ratio that allows for improved operation support. Some of its features include finding suitability for the lifting of objects and mechanical traction; used in shipbuilding, construction, mining, electric power, transportation, telecommunications areas; allows for safe, reliable, and good performance support; lightweight, convenient to carry finish; used for tightening wire among others.