Designed for use with 6K, 10K, 12K and 14K no-shank models of the original equalizer sway control hitch. You can accommodate most combinations of tow vehicle and trailer with one of our adjustable shanks. Fit standard 2 inch receiver tubes. Hitch head mounting holes are spaced at 1-1/4 inch on center and will work with many other brands of adjustable hitch heads. 3 inch drop 7 inch rise 12 inches MFG 90-02-4100 90024100 UPC765053849661