Specification:Item Type: Adjustment ToolMaterial: Stainless SteelStrength Adjustment: 30N, 60N, 90N, 120N, 150N, 180N, 210N, 240N, 270N, 300NSize: Approx. 15 x 8cm / 5.9 x 3.1inFunction:1. Body massage: provide stable and powerful force, more effective and more comfortable massage.2. It is suitable for scoliosis, thoracic and spine soreness, and can be used for joint relief, cervical spine adjustment, thoracic spine massage, cervical spine massage, and body massage for health care.3. The principle of physical pressure massage: imitate human hand massage, adjust , straighten the spine, immediately dredge upright, get rid of pain, and make people refreshed and energetic. It can be in with the skin under 2.3cm to effectively adjust the and massage once to make the relaxation time longer.Adaptation Symptoms:1. Neck syndrome: headache, dizziness, insomnia, restricted neck movement, neck pain, numbness in the arms, and neck movement disorders.2. Chest syndrome: back pain, shortness of breath, loss of appetite, gastrointestinal disorders,3. Lumbar syndrome: acute and chronic low back pain, lumbar disc herniation, numbness of legs and feet.4. Pelvic syndrome: sacroiliac joint subluxation, sciatica, toes.5. Scoliosis: prevent traditional spinal health degenerative diseases.Taboo:1. The eyes and the surrounding area, the myocardium, the spinal cord, the gonads, the kidneys and the liver. 2. disorders, coagulation problems or the use of anticoagulants. 3. Polypus in the area of treatment. 4. Thrombosis. 5. diseases.6. Polyneuropathy. 7. Growing cartilage in . 8. using corticoids. 9. Inapplicable on areas in proximity to large nerve bundles, bundles, vessels, the spinal cord and the .10. Heart , diabetes, pregnant women, and other major diseases.Package List:1 x Manual Tool1 x Storage Box1 x English