A complete sway bracket kit for a 4,000 lb. rated hitch that fits 2.5", 3", 3.5", 4", 4.5", and 5" trailer frames. The kit includes: (1) Inside link plate, (1) Outside pocketed link plate, (1) L-bracket, (1) L-pin and clip, (2) 7/16" x 3-1/2" bolts, (2) 7/16" split-ring washers, (2) 7/16" Nuts, (2) 3/8" x 1-1/2" stud bolts, and (2) 3/8" Nylock nuts. Two of these kits are required (included in complete hitch) per trailer for hitch setup.