This Professional Heavy Duty Quick Pipe Adapter allows you to install dish antennas in minutes. Use it on any surface up to ½ inch in thickness. Roof vent pipe, sewer stacks, Angle iron, solid rods ¾ inch to 1 1/4 inch around, and flat surfaces up to ½ inch thick. Save Time and Money by reusing existing surfaces with the QPA-1-158E Quick Pipe Adapters.  This adapter is 8" tall but there are other lengths available!