Neck traction fixer 1) Our product is the Class I device, has got 3 exclusive patents (Invention Patent, New Practical Patent and Shape Patent) and is FDA certified product. 2) The Necktraction Fixer has the ability to adjust to different diameters and heights. The diameter scope is from 8.9cm to 15.3cm. The heights scope is from 1cm to 24cm. The circumference of the Necktraction Fixer can adjust from 28cm to 48cm. 3) The traction power can reach 80kg. 4) The net weight of the Necktraction Fixer is 250g. 5) Inner of the Necktraction Fixer is made from the rubber latex; the outside of the Necktraction Fixer is made from the cotton flannel. The linker and pneumatic bulb are made from the rubber latex. 6) The person who always sits before the office table takes in the writing, or operating the computer or other work. And the driver always sits in the whole day. These persons have the pain neck disease or often feel fatigue in the neck area. Our products can help them reduce the pain and cure and prevent neck pain and fatigue, muscles spasms. There are two models as DX-A and DX-C