3/8″. Shank opening: 3/4″. Safe working load: 2,200 lbs. Break strength: 10,000 lbs. Stainless steel anchor shackles with screw pin assembly. Measured by pin thread. Anchor shackles make connecting and disconnecting from all sides of the shackle chain to an anchor easy while keeping it secure. Blister pack. Corrosion resistant.
