Alloy Pin Dee and Bow Shackles
to U.S. Federal Specification RR-C-271b

Large Dee Shackles
to British Standard Specification 3032

U-Shaped device with a pin or bolt across the opening used to connect and secure components together in lifting applications. High tensile shackles, a specific kind of shackle crafted from high-strength alloys, provide exceptional tensile strength, surpassing that of regular shackles.
See specs below
Request a Quoteto U.S. Federal Specification RR-C-271b
to British Standard Specification 3032