Features1Comfortable Body Massage: The hand chiropractic tool provides steady and powerful force for a more effective and comfortable massage. 2Multifunctional: Manual massager can be used for joint relief, cervical spine adjustment, thoracic spine massage, cervical spine massage, whole body massage health care. 3Physical Pressure Massage: Spinal adjustment massage tools imitate human hand massage, adjust the bones, straighten the spine, get rid of pain, make people energetic. 4304 Stainless Steel: The manual chiropractic tool is made of 304 stainless steel, which has corrosion resistance, heat resistance, low temperature strength and good mechanical properties. 5Replaceable Functional Head: The hand chiropractic tool has exquisite craftsmanship, and the functional head can be replaced to meet the needs of different groups of people with multi purpose.SpecificationItem Type: Manual Chiropractic ToolMaterial: Stainless steelFunction: 1. Body massage: provide stable and powerful force, more effective and more comfortable massage,2. It is suitable for scoliosis, thoracic spine and spine pain, can be used for joint relief, cervical spine adjustment, thoracic spine massage, cervical spine massage, whole body massage health care3. Principle of physical pressure massage: imitating human hand massage, adjusting bones, straightening the spine, dredging upright immediately, getting rid of pain, making people refreshed and energetic. It can be in contact with the skin below 2.3cm, effectively adjust the bones, massage once, make the relaxation time longer. Will provide stable and powerful strength, more efficient and more comfortableStrength adjustment: 30N, 60N, 90N, 120N, 150N, 180N, 210N, 240N, 270N, 300NAdaptation symptoms: 1. Neck syndrome: headache, dizziness, insomnia, limited neck movement, neck pain, arm numbness, neck movement disorder.2. Chest syndrome: back pain, shortness of breath, loss of appetite, gastrointestinal disturbances3. Lumbar syndrome: acute and chronic low back pain, lumbar disc herniation, numbness of legs and feet.4. Pelvic syndrome: sacroiliac joint subluxation, sciatica, toes5. Scoliosis: Prevention of degenerative changes in traditional spine health.Package List1 x Manual Chiropractic Tool 1 x Cloth Box 1 x English Manual 2 x Rubber Cover 4 x Rubber Rings 4 x Function Head