The NuMax RS2118-G2T Replacement Trigger Kit includes the internal working components needed to rebuild and repair the trigger of the NuMax S2-118G2 2-in-1 Nailer / Stapler. This kit uses high quality brass, rubber, and plastic construction for long lasting durability. The light weight of the components reduces fatigue while working. The kit will allow you to fix triggers that are leaking air, stuck, or just aren't firing correctly. Refer to the parts diagram for part number identification and installation.