The shackle is the most used connection tool in lifting operations. It is mainly used for the connection parts that are frequently installed and removed in hoisting. When the rigging is used in conjunction with the beam, the shackle can be used at the top of the rigging instead of the lifting ring and the lug plate under the beam. Connection for easy installation and removal. Shackles are widely used in electric power, petroleum, machinery, wind power, chemical industry, ports, construction and other industries, and are very important connecting parts in hoisting.