This pair of heavy duty powder-coated red D-Ring Shackles from Rugged Ridge have a 7/8-inch pin and a 13,500 pound working load limit (WLL) and are the shackles you will need for recovering full size trucks and Hummers.. This pair of red D-Ring Shackles from Rugged Ridge have a 7/8 inch pin and a 13,500 pound Working Load Limit (WLL).