The B/A Products Frame Hook was designed to provide an improved connectionpoint to truck and trailer frames without tip loading the hook for an evendistribution of weight. Includes Frame Hook and Hammer Link Hook Opening: 7/8″ Not Recommended for Overhead Lifting Reduces Tip Loading Rated Chain: 1/2″ Grade 100 WLL: 15,000 lbs Sold as Each Chain Assembly Versions: MIL-FRCHAIN