Upright positioning allows for training calf muscles across both knee and ankle joints Shoulder pads are adjustable to accommodate users of varying heights Non-slip foot plate provides stability and full range of motion in ankle joint Integrated rep counter and built-in storage on top cap Strengthen and define your leg muscles with the Spirit Fitness Standing Calf Extension. The upright positioning allows for training calf muscles across both knee and ankle joints, while the non-slip foot plate ensures confidence and stability allowing for a full range of motion in the ankle joint. Plus, all pads use high-density foam with premium upholstery and high-quality stitching, making them not only comfortable, but durable and easy to clean. GET RESULTS FASTER Built for users of varying heights, the shoulder pads easily adjust. Plus, the integrated rep counter keeps you informed and motivated. The heavy-gauge steel frame with commercial-grade components are built to last and deliver the results you want. 10 lb Top Plate 8 x 10 lb Plates 8 x 20 lb Plates 250 lb Total Weight Stack