Product instructions: Traction is one of the effective Chinese medicine treatments to cure the dizziness and numbness of hands and feet which caused by cervical vertebra illness. At past, patients had to go to the hospitals to do the traction with big retractors or follow the original hanging heavy items method. It is very inconvenience. This product adopts "the ratchet wheel lever principle". It achieves the traction effect by bodies' weight. You can do the traction treatment easily at home. Application: This product is used for traction of cervical vertebra illness. Product Features: 1. It adapts the "lever principle" and there is no need of heavy items. 2. The product is legerity, detachable, portable, safe, convenience and it is very suitable for family use. 3. The power of the traction is controlled by the users. It adapts to different symptomatic demands and makes the traction treatment more pertinence and the effect better. 4. The ergometer can show the traction power. 5. It can be fixed on vertical objects. Product packing: 12 sets/ box More Product Features Trademark: SIWEI Model NO.: JZQ-III Standard: YZB/0282-2005 Unit Price/Payment: 9.2USD Company: Hangzhou Siwei Medical Intrument Co. Ltd

