Constructed of investment cast 316 stainless the D style shackle has straight sides with a U-shape rounded bottom. Designed for rigging applications with bidirectional loads. The U-shaped end can handle heavy loads, loads on the straight sides, however, may cause bending. We do not load rate cast shackles. A 5/8" B 1-1/4" C 2-3/16" Pkg. Bulk