The 90-02-4100 Equal-i-zer Shank offers up to a 3" drop and 7" rise. This shank is for use with a No Shank Equal-i-zer weight distribution system. 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.