A shackle is a U-shaped piece of metal secured with a clevis pin or bolt across the opening. They are used to make connections to slings, rope, cable, etc. Shackles are the primary connecting link in ...

Pulley blocks often use eye hooks, clevis hooks, or grab hooks for connections to other lifting and rigging hardware. Pulley block shackles are U-shaped pieces of metal with a pin or bolt across the ...