Product Description

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



high precision cnc screw ， fine tuning good effect ， a solid good effect
manual adjust elastic ， before the factory mdoulated to the best position ， please don't reassignment