1. Shackles can be used for rigging end fittings, which can be directly connected with the object to be hoisted during hoisting operations.
2. The shackle can be used between the rigging and the end fittings and only serves as a connection.
3. When the rigging is used in conjunction with the beam, the shackle can be used for advanced rigging instead of the hoisting ring to connect with the ear plate at the lower part of the beam, which is convenient for installation and disassembly