Chain Shackle, Super Strong, 075 ton, 14 in, 031 in Pin dia, BoltNutCotter Pin, 088 in Inner Length, 047 in Opening, 34 in Eye Outer Size, Micro Alloy Steel Body, Micro Alloy Steel Pin, Galvanized CM CM super strong shackles are carbon type shackles with strength ratings that are 17 to 50 stronger than comparable sized carbon shackles as a result, these shackles are designed with a 61 design factor Chain shackles are best suited for straight line pulls