Southwest Wheel New 12" X 2" Trailer Electric Brake Assembly (1 Right + 1 Left) Pair of 12" x 2" electric brake assemblies with parts 5 Hole Mounting. Comes with mounting bolts, nuts, and lock washers Works with 5,200 lbs., 6,000 lbs., and 7,000 lbs. Al-Ko, Dexter, Lippert and Quality Trailer Axles TruRyde Brakes Factory Boxed.