Single Revolving Truck
Cast aluminum construction with aluminum sheave(s) on 1/4″ aluminum axle(s). The truck body rotates on 26 stainless steel ball bearings on cast races. The SINGLE SHEAVE TRUCK can be used on flagpoles with up to a 3 1/2″ O.D. top. The bottom has 1 1/4″ male National Pipe Thread (NPT) to scew into the top of your flagpole or use a truck adapted with the threading. The top of the spindle is tapped 1/2″-13NC as standard to accept a ball or eagle finial. Maximum recommended halyard size is 5/16″.
*** NOTE – 1 1/4 inch National Pipe Thread will actually measure 1 5/8 inch on a tape measure.