- Meets the performance requirements of Federal Specification RR-C-271D, Type IV B, Class 3, Grade A, Amendment 1.
- Hot galvanized, forged carbon steel, heat treated, with alloy bolts.
- Permanently marked with size and Working Load Limit.
U.S. Registered Trademark No. 2,011,393
* The YELLOW shackle bolt is the Federally Registered Trademark of Kulkoni, Inc.
** Minimum Width Between Eyes as defined by Federal Specification RR-C-271D, Amendment 1