Optional ST122-1 Damper screws with OR2005V O-Rings.
Benefits of this set are:
- ST122-1 doesn't need much tightening for good sealing. The thread in damper case will last longer.
- ST122-1 keeps better sealing at big expansion of the damper case in hot conditions.
contains:
8pcs ST122-1
8pcs OR2005V
