Description:This is a manual massager which designed based on the massage method of human hands but more effective. It's a tool with good corrosion resistance, heat resistance, low temperature strength and mechanic performance. It can stimulate nerve cell and the normal function of an organ resulting in rapid recovery the body function. Six level adjustable force for massage more effective and comfortable of different body parts. Time and energy saving, perfect for scoliosis, thoracic spondylosis, cervical spondylosis, body treatment.Features:304 stainless steel machine has good corrosion resistance, heat resistance, low temperature strength and mechanic performance. Six level force can be adjusted: 50N, 100N, 150N, 200N, 250N, 300N, meet your various needs. High quality workmanship which can bear multiple tests, providing durable use. Mechanic therapy, easy treatment, time saving, energy saving. Can contact with skin under 5cm, effectively adjust bones, ease pains, massage one time for longer time relaxing. Stable and strong strength will be provided, more effective, more comfortable. 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. Function:1.Improve joint pain: Neck pain, Back pain, Headache, Dizziness, Arm numbness, Shortness of breath poor appetite2.Adjust vertebration: Stiff vertabral syndrome, Movement disorders, Thoracic spine syndrome, Gastrointestinal dysfunction3.Body Beauty: Humpback, Torticollis, Buttock Lift, In toe, Toeout and other symptoms4.Delay boneageSpecifications:Material: 304 Stainless Steel(One Head) / Plastic Steel(Replaceable Four Heads)Adjustable Force: 50N, 100N, 150N, 200N, 250N, 300NOptions: Single Head, 4 Heads(Replaceable)Color: As Pictures ShowBox Size: Approx. 25 * 16 * 5cm / 9.8 * 6.3 * 2.0inchItem Type: Chiropractic Adjusting ToolSize: Height: 20cm/7.9in, Width: 8cm/3.1in.