Truck adapter is made to cap over the top of an open ended flagpole. The truck adapter has 1 1/4″ NPT female threading which will allow for the use of a revolving truck assembly. Simply cap the truck adapter over the top of the shaft and tighten set screws through the side of the truck adapter.
This can also be used for repair when the top of a flagpole needs to be cut off to remove an exsisting truck assembly.
*** NOTE – 1 1/4 inch National Pipe Thread will actually measure 1 5/8 inch on a tape measure.