Medical supplies for four-legged crutches.

Advantage:                                                    

1. Aluminum tube adopts T6 high specification aluminum alloy,1.2MM thickness.                       

2. Hold the steel column and never fall off.                                           

3. With anti-loose aluminum alloy, it is hard to shake. The market is full of aluminum nuts.                                         

4. A four-legged crutch that is very cost-effective..