About this item HIGH QUALITY — High quality workmanship which can bear multiple tests, providing durable use. 304 stainless steel machine has good resistance, heat resistance, low temperature strength and mechanic performance. chiropractic tools SIX LEVEL FORCE CAN BE ADJUSTED — 50N, 100N, 150N, 200N, 250N, 300N, meet your various needs. Mechanic , easy treatment, time saving, energy saving. Can stimulate nerve cell and the normal function of an organ resulting in rapid recovery the body function. Suitable for scoliosis, thoracic spondylosis, cervical spondylosis, body treatment. Manual Function — ①Improve joint pain: Neck pain, Back pain, Headache, Dizziness, Arm numbness, Shortness of breath poor appetite. ②Adjust vertebration: Stiff vertabral syndrome, Movement disorders, Thoracic spine syndrome, Gastrointestinal dysfunction. ③Body Beauty: Humpback, Torticollis, Buttock Lift, In toe, Toeout and other symptoms. ④Delay bone age. Manual chiropractic tool STABLE PERFORMANCE — Stable and strong strength will be provided, more effective, more comfortable. Can contact with skin under 5cm, effectively adjust bones, ease pains, massage one time for longer time relaxing. piezoelectric stimulator GUARANTEE — 24 hours online service, if the product that you received has any problem, please contact us anytime, and we will provide you timely, honest and efficient service.