Widely used in electric power, metallurgy, petroleum, machinery, railways, chemicals, ports, mining, construction and other industries Heavy-duty forged steel Construction with high towing and recovering capacity High-quality, weather and rust resistant thanks to its protective zinc coat finish U-shaped head is designed with fine workmanship, durable, smooth surface without burrs U-shackles are narrow shackles shaped like a loop of chain, usually with a pin or threaded pin closure