The Brophy RS6K is a tie-down kit that includes one tie-down, one backing plate, and 4 sets of bolts, nuts, and washers. The included Tie-Down is Model RRS6, which is a heavy-duty, stainless steel, circular, 360 degree rotating, bolt-on, recessed tie-down rope ring, and it has a 6,000 lb. capacity. The included Backing Plate is Model BP06, which is a zinc-plated, square plate, approx. 6.5" x 6.5". Four bolts, nuts, and washers are also included. NOTE: This is for one (1) stainless steel 6K Tie-Down Rope Ring Kit.