Made of stainless steel. To enable the accurate adjustment of the gear set.


  • Add one more type of shims with the minimum thickness 0.1mm, enable a much more accurate adjustment.
  • 0.1mm: Small Size (Thin) X 6
  • 0.15mm: Large Size (Thin) X 6
  • 0.3 mm: Small Size (Thick) X 6
  • 0.5 mm: Large Size (Thick) X 6