CM Anchor Shackle, 1 ton, 38 in, 044 in Pin dia, Screw Pin, 14 in Inner Length, 1 in Inner Width, 066 in Opening, 1 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