Constructed of forged 316 stainless the D style shackle has straight sides with a U-shape rounded bottom. Designed for rigging applications with bi-directional loads. The U-shaped end can handle heavy loads, loads on the straight sides, however, may cause bending. Break Strength 6600 lbs. A 5/16" B 11/16" C 1-1/4" Pkg. Bulk