There are two models as DX-A and DX-C.
DX-A is that the Neck Traction Fixer without the magnets.
DX-C is that the Neck Traction Fixer with the magnets.
The differences between DX-A and DX-C:
The appearance of the DX-C is same the DX-A. The difference is the magnets. Inside of the second layer there are three magnets, which is made by 1600 gauss magnet. The 3 points lie in respectively Fengchi point—Fengfu point—Fengchi point, which can stimulate the circulation of blood. On the surface of DX-C is the material of far infrared.
The net weight of the each neck traction fixer is about 250g.