Features 1??Made of 304 stainless steel, which is corrosion resistant and wear?resistant, firm and durable for use. 2??Exquisite craftsmanship, heat resistance, low temperature strength, good mechanical properties. 3??50N / 100N / 150N / 200N / 250N / 300N 6 levels of strength, meet your different needs, effective massage. 4??Light weight and portable, safe and easy to use, perfect for home use. 15 minutes a day, can reduce the pressure on the neck. 5??Can be used for joint relief, cervical spine adjustment, thoracic spine massage, cervical spine massage, body massage and health care. Specification Condition: Item Type: Chiropractic Adjusting Tool Material: Stainless steel The six strengths are: 50N??100N??150N??200N??250N??300N Function: Body massage: Provide stable and powerful force, more effective and comfortable massage, suitable for scoliosis, thoracic and spine aches, can be used for joint relief, cervical spine adjustment, thoracic spine massage, cervical spine massage, body massage and health care. The principle of physical pressure massage: imitating human hand massage, adjust the bones, straighten the spine, straighten up immediately, get rid of pain, make people refreshed and energetic. It can be in contact with the skin under 2.3cm to effectively adjust the bones and massage once to make the relaxation time longer. Will provide stable and strong power, more effective and more comfortable. Applicable Symptoms: 1. Neck syndrome: headache, dizziness, insomnia, restricted neck movement, neck pain, numbness in the arms, and neck movement disorders. 2. Thoracic syndrome: back pain, shortness of breath, poor appetite, gastrointestinal disorders. 3. Lumbar syndrome: acute and chronic low back pain, lumbar disc herniation, numbness of the calf. 4. Pelvic syndrome: sacroiliac joint subluxation, sciatica, in-toed. 5. Scoliosis: prevent degenerative diseases of conventional spine health Taboo: 1. Eyes and surrounding areas, myocardium, spinal cord, gonads, kidneys and liver 2. Blood diseases, coagulation problems or use of coagulants 3. The field of polyp treatment. 4. Thrombosis. 5. Tumor disease 6. Polyneuropathy 7. The growth of cartilage in children. 8. Therapeutic use of fatty alcohol 9. Not suitable for areas close to large nerve bundles. Bundles, blood vessels, spinal cord and head. 10. Major diseases such as heart disease, diabetes, and pregnant women. Package List 1 x Chiropractic Adjusting Tool 4 x Function Head 2 x Rubber Head 5 x Rubber Ring 1 x Storage Box 1 x English Manual