Sepcifition: Shackle 2 Sets/Shackle Hitch Receiver/Bow Shackle Black
* Screw pin or Safety pin, Bow or Dee shaped shackles
* Meet the requirements of U.S. Federal Specification RR-C-271 Type IVA, CLASS 2, GRADE A
* Surface finish: Hot Dip Galv. / Electro Galv. / Black electrophoresis
* Body forged carbon steel, and pin forged alloy steel
* Proof load is 2.2 times of Working Load Limit
* Ultimate breaking load is 4 times or 6 times of Working Load Limit