The Medium Hoofjack is designed specifically for users under 5'10" (or a floor to bottom of kneecap distance of less than 18”) when using the cradle on the front hoof. It will accommodate a pony up to a small draft or draft cross (hooves up to a size 7 shoe or less than 7 ¾” wide). The Medium Hoofjack base has the same base diameter as the Standard Hoofjack but is 3" shorter. Ships with Base, Post with cap, Post with cradle, 2 Magnets and screws and Tension knob. Some assembly required.