Sturdy material? made of high-quality ABS and stainless steel, the material is easy to clean, corrosion-resistant, no odor, exquisite structure, non-slip design, and protect the heel and calf muscles from damage. Greater Weight Capacity?-Thick steel pipe, load-bearing about 802 pounds, safe and stable without shaking, solid steel pipe supports the plate body, the material is thick, and the service life is long. 9-speed design?- suitable for people of different ages, adjust the appropriate angle according to needs. It can be used by family members. Multiple Anti-slip Design?-There is full non-slip tread on the surface and non-slip mats on the bottom for the calf stretch wedge, which can prevent you from slipping, keep you in place securely and offers you better safety protection. You can stand on it steadily and do daily stretching to reduce knee pain. Suitable for beginners, veteran athletes and all body types. Massage design?-Ergonomics, acupoint magnetic massage, comprehensive stimulation, dredge the meridians, accelerate metabolism, and give you a healthy body. Within 90 days, if there is any quality problem or dissatisfaction, you can return the goods without reason and get a full refund. Unit count type: Count