The industry standard for lower leg and ankle progressive resistance exercise for over 50 years. Specially designed to permit a full range of motion when exercising lower extremities. Graded resistance for inversion, eversion, dorsi-flexion and plantar-flexion is made possible with the addition of weights (not included). See below. Sturdy aluminum construction with cast-iron base. Measures 53H x 64W x 51Lcm, (21"x25"x20"). Please note carriage for this item will be at cost.