The Freeman RPFS105T Replacement Trigger Kit includes the internal working components needed to rebuild and repair the trigger of the Freeman PFS105 10.5-Gauge Fencing Stapler. This kit uses high quality brass, steel, rubber and plastic construction for long lasting durability. The light weight of the components reduces fatigue while working. This 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.