Threaded rod shields can protect such accessories as sike lever,axis and mere stik from dirt pollution.it could extend or compress together with machine parts.
  Spiral steel tape shield can be installed inside the machine or outside,and be used vertically or horizontally screw metal ban shield is made of high quality spring metal band which eperienced heat finish;
  Expansion type Threaded Rod Shields can protect silk lever,axis,stick and other accessories.