The 90-02-4240 Shank is made to fit 400/4,000 Equal-i-zer Sway Control hitches. The shank offers a 4" drop and an 8" rise, measures 12" long, and fits 2" trailer hitch receivers. Equal-i-zer Hitch Shanks are built from the highest-grade of American steel. The adjustability measurement for the shanks is measured from the inside top of the receiver to the base of the hitch ball.