The Seated Calf Raise Machine is the most effective machine to work your calves, and the best choice for athletes in competitive sports looking to build strength, power, and performance. Constructed of 12-gauge steel for strength and durability, the leg machine has a diamond foot plate where the user will place the balls of their feet, and a continuous steel rod with chrome plated sleeves to load weights each sleeve measures 11.5 with a 2 diameter to fit Olympic weighs and bumper plates. This unit has a high-density, dual layered vinyl pad design for optimal comfort under intense stress. The tapered seat pad measures 16 to 12 and 2.25 thick, while the knee pad measures 3.5 x 4. Max Weight load of 350lbs. Calf and leg exercises for home gym workouts. Ankle and foot exercise machine.