well I don't know how to display a old thread. But if you go to watering hole 2nd or 3 page reference installing flanders and risers the 4th post. That plastic works great, fixed hole where piece was missing. Its kind of pricy but you can make tabs on abs. I used 1 inch plastic to push both plungers. The gun was more than I wanted to spend. The only way I will fix abs from now on