CM Anchor Shackle, 075 ton, 516 in, 038 in Pin dia, Screw Pin, 114 in Inner Length, 081 in Inner Width, 053 in Opening, 084 in Eye Outer Size, Carbon Steel Body, Alloy Steel Pin, GalvanizedScrew Pin AnchorChain Shackles Allow Quick and Easy Removal of The Screw Pin and Can Be Useful in Applications Where The Shackle is Frequently Removed, But Not So Much in Applications Where The Pin is Subject to Torque or Twisting